Update moe equivalence

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=175542973

extensions/tv/README.md

-# ExoPlayer TV tuner extension #
-
-Provides components for broadcast TV playback with ExoPlayer.
-
-## Links ##
-
-* [Javadoc][]: Classes matching `com.google.android.exoplayer2.ext.tv.*`
-  belong to this extension.
-
-[Javadoc]: https://google.github.io/ExoPlayer/doc/reference/index.html
-
-## Build Instructions ##
-
-* Checkout ExoPlayer:
-
-```
-git clone https://github.com/google/ExoPlayer.git
-```
-
-* Set the following environment variables:
-
-```
-cd "<path to exoplayer checkout>"
-EXOPLAYER_ROOT="$(pwd)"
-TV_MODULE_PATH="${EXOPLAYER_ROOT}/extensions/tv/src/main"
-```
-
-* Download the [Android NDK][] and set its location in an environment variable:
-
-[Android NDK]: https://developer.android.com/tools/sdk/ndk/index.html
-
-```
-NDK_PATH="<path to Android NDK>"
-```
-
-* Build the JNI native libraries from the command line:
-
-```
-cd "${TV_MODULE_PATH}"/jni && \
-${NDK_PATH}/ndk-build APP_ABI=all -j<N>
-```

extensions/tv/build.gradle

-// Copyright (C) 2017 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-apply from: '../../constants.gradle'
-apply plugin: 'com.android.library'
-
-android {
-    compileSdkVersion project.ext.compileSdkVersion
-    buildToolsVersion project.ext.buildToolsVersion
-
-    defaultConfig {
-        minSdkVersion 21
-        targetSdkVersion project.ext.targetSdkVersion
-    }
-
-    sourceSets.main {
-        jniLibs.srcDir 'src/main/libs'
-        jni.srcDirs = [] // Disable the automatic ndk-build call by Android Studio.
-    }
-}
-
-dependencies {
-    compile project(modulePrefix + 'library-core')
-}
-
-ext {
-    javadocTitle = 'TV tuner extension'
-}
-apply from: '../../javadoc_library.gradle'