SDK / exoplayer

Imported from GitHub PR https://github.com/google/ExoPlayer/pull/5438

Plus the following changes:
- Only support profile 5 (handling other profiles requires
  backward-compatibility changes in the renderer which are left for a later
  change.)
- Only add KEY_PROFILE to the codec configuration MediaFormat for Dolby Vision.
- In MediaCodecUtil support all DV profiles that Android has constants for. This
  includes ones that are "not supported for new applications". Since we don't
  extract these profiles, this is currently only for the benefit of custom
  extractors.
- Misc code style fixes and reordering for consistency.

Merge 37878b975c2bc082b0568e21cbe62bfcef97c10d into 67be9e77

PiperOrigin-RevId: 233066799

It's not yet enabled in the SimpleCache layer, however, so
this is a no-op change.

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Subclasses can handle arbitrary elements.

PiperOrigin-RevId: 233057241

Allows the player to adapt between audio renditions with different
names.

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Without this change, any prepare() operation that requires posting to
the DummyMainThread's handler cannot complete preparation.

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Push Cipher and SecretKeySpec instantiation into AtomicFileStorage,
since SQLiteStorage no longer needs them.

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Given the change to require setPlayer on AdsLoaders, it seems like a good
opportunity to clean up deprecated ads-related symbols.

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- Remove ability to encrypt content index for SQLite storage
- Remove hack for specifying arbitrary database location

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They may prepare immediately and let pendingMediaPeriods become empty before
all other periods are even created.

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Also removed STOP_FLAG_DOWNLOAD_MANAGER_NOT_READY.

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When SimpleCache uses a CacheFileMetadataIndex, it will be able to avoid
querying file.length() and renaming files, both of which are expensive
operations on some file systems.

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Issue: #4253
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Now we're reusing the builder, it's necessary to set maxProgress
back to 0 to avoid the progress bar appearing for end state
notifications.

PiperOrigin-RevId: 232520007

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After this change, multiple HlsSampleStreamWrappers may contain an apdaptive
track group.

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onContinueLoadingRequested can occur during preparation, so
MediaPreparer needs to handle it.

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Issue: #5476
PiperOrigin-RevId: 232503736

On KitKat you need to reuse the same notification builder when
generating a notification that's intended to replace a previous
one. See:

https://stackoverflow.com/questions/6406730/updating-an-ongoing-notification-quietly

PiperOrigin-RevId: 232503682

DefaultDownloadIndex is currently just forwarding all calls to its
inner class. getDownloadTable() handles initialization, but this
doesn't really seem different to having an initialization method. It
doesn't guarantee initialization happens, since a bad method
implementation could try and access downloadTable directly, just as
a bad method implementation could forget to call the initialization
method. Hence this change removes the indirection.

PiperOrigin-RevId: 232482228

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This method is needed by DownloadManager.

PiperOrigin-RevId: 232447145

Imported from GitHub PR https://github.com/google/ExoPlayer/pull/5462

Pull request for the following issue: #5421
Merge d9d88b079c4ca0533a836b2715a65b924babbb89 into a7381916

PiperOrigin-RevId: 232335113

This combines all the different listeners in ExoVideosPlayerV2 into one and
moves the PlaybackLogger class towards ExoPlayer's AnalyticsCollector with
the same purpose.

In the future this allows two things:
 1. Gradually move LogginClient implementations to AnalyticsListener to
    prevent custom event forwarding.
 2. Using ExoPlayer's QoE extension (which is also an AnalyticsListener).

PiperOrigin-RevId: 232321182

When calling releaseSource(), all pending messages will be removed. That means
that all action-on-completion callbacks which are somewhere in flight are
just dropped without being called. This change adds code to keep track of the
current state of each callback to allow all of them being called when the
source is released.

Issue:#5464
PiperOrigin-RevId: 232312528

The Util class already handles removeMessages calls but so far ignored calls
to removeCallbacksAndMessages.

PiperOrigin-RevId: 232312458

DownloadTracker will stop updating DownloadIndex when DownloadManager
starts using the same DownloadIndex.

PiperOrigin-RevId: 232306803

This change enables transitioning to/from different Storage
implementations, to allow experimentally enabling (and if
necessary, disabling) SQLiteStorage. All that's left to do
is the final wiring to turn it on

PiperOrigin-RevId: 232304458

Issue: #4519
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Now DownloadManager is responsible for starting and stopping DownloadThreads.

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Issue: #4468
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