Supports FLAC files with high sample rate (176400 and 192000).

Also add testing media to verify FLAC extension can play these sample rates.

Github: #3769.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=192783193

RELEASENOTES.md

@@ -34,8 +34,11 @@
 * IMA: Allow setting the ad media load timeout
 * IMA: Allow setting the ad media load timeout
   ([#3691](https://github.com/google/ExoPlayer/issues/3691)).
   ([#3691](https://github.com/google/ExoPlayer/issues/3691)).
 * Audio:
 * Audio:
-  * FLAC: Sniff FLAC files correctly if they have ID3 headers
-    ([#4055](https://github.com/google/ExoPlayer/issues/4055)).
+  * FLAC:
+    * Sniff FLAC files correctly if they have ID3 headers
+      ([#4055](https://github.com/google/ExoPlayer/issues/4055)).
+    * Supports FLAC files with high sample rate (176400 and 192000)
+      ([#3769](https://github.com/google/ExoPlayer/issues/3769)).
   * Factor out `AudioTrack` position tracking from `DefaultAudioSink`.
   * Factor out `AudioTrack` position tracking from `DefaultAudioSink`.
   * Fix an issue where the playback position would pause just after playback
   * Fix an issue where the playback position would pause just after playback
     begins, and poll the audio timestamp less frequently once it starts
     begins, and poll the audio timestamp less frequently once it starts

extensions/flac/src/main/jni/flac_parser.cc

@@ -319,6 +319,8 @@ bool FLACParser::decodeMetadata() {
       case 48000:
       case 48000:
       case 88200:
       case 88200:
       case 96000:
       case 96000:
+      case 176400:
+      case 192000:
         break;
         break;
       default:
       default:
         ALOGE("unsupported sample rate %u", getSampleRate());
         ALOGE("unsupported sample rate %u", getSampleRate());