Update release notes + bump versions

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=150358346

RELEASENOTES.md

@@ -1,5 +1,52 @@
 # Release notes #
 
+### r2.3.0 ###
+
+* GVR extension: Wraps the Google VR Audio SDK to provide spatial audio
+  rendering. You can read more about the GVR extension
+  [here](https://medium.com/google-exoplayer/spatial-audio-with-exoplayer-and-gvr-cecb00e9da5f#.xdjebjd7g).
+* DASH improvements:
+ * Support embedded CEA-608 closed captions
+   ([#2362](https://github.com/google/ExoPlayer/issues/2362)).
+ * Support embedded EMSG events
+   ([#2176](https://github.com/google/ExoPlayer/issues/2176)).
+ * Support mspr:pro manifest element
+   ([#2386](https://github.com/google/ExoPlayer/issues/2386)).
+ * Correct handling of empty segment indices at the start of live events
+   ([#1865](https://github.com/google/ExoPlayer/issues/1865)).
+* HLS improvements:
+ * Respect initial track selection
+   ([#2353](https://github.com/google/ExoPlayer/issues/2353)).
+ * Reduced frequency of media playlist requests when playback position is close
+   to the live edge ([#2548](https://github.com/google/ExoPlayer/issues/2548)).
+ * Exposed the master playlist through ExoPlayer.getCurrentManifest()
+   ([#2537](https://github.com/google/ExoPlayer/issues/2537)).
+ * Support CLOSED-CAPTIONS #EXT-X-MEDIA type
+   ([#341](https://github.com/google/ExoPlayer/issues/341)).
+ * Fixed handling of negative values in #EXT-X-SUPPORT
+   ([#2495](https://github.com/google/ExoPlayer/issues/2495)).
+ * Fixed potential endless buffering state for streams with WebVTT subtitles
+   ([#2424](https://github.com/google/ExoPlayer/issues/2424)).
+* MPEG-TS improvements:
+ * Support for multiple programs.
+ * Support for multiple closed captions and caption service descriptors
+   ([#2161](https://github.com/google/ExoPlayer/issues/2161)).
+* MP3: Add `FLAG_ENABLE_CONSTANT_BITRATE_SEEKING` extractor option to enable
+  constant bitrate seeking in MP3 files that would otherwise be unseekable
+  ([#2445](https://github.com/google/ExoPlayer/issues/2445)).
+* ID3: Better handle malformed ID3 data
+  ([#2486](https://github.com/google/ExoPlayer/issues/2486)).
+* Track selection: Added maxVideoBitrate parameter to DefaultTrackSelector.
+* DRM: Add support for CENC ClearKey on API level 21+
+  ([#2361](https://github.com/google/ExoPlayer/issues/2361)).
+* DRM: Support dynamic setting of key request headers
+  ([#1924](https://github.com/google/ExoPlayer/issues/1924)).
+* SmoothStreaming: Fixed handling of start_time placeholder
+  ([#2447](https://github.com/google/ExoPlayer/issues/2447)).
+* FLAC extension: Fix proguard configuration
+  ([#2427](https://github.com/google/ExoPlayer/issues/2427)).
+* Misc bugfixes.
+
 ### r2.2.0 ###
 
 * Demo app: Automatic recovery from BehindLiveWindowException, plus improved
@@ -246,6 +293,12 @@ in all V2 releases. This cannot be assumed for changes in r1.5.12 and later,
 however it can be assumed that all such changes are included in the most recent
 V2 release.
 
+### r1.5.15 ###
+
+* SmoothStreaming: Fixed handling of start_time placeholder
+  ([#2447](https://github.com/google/ExoPlayer/issues/2447)).
+* Misc bugfixes.
+
 ### r1.5.14 ###
 
 * Fixed cache failures when using an encrypted cache content index.

build.gradle

@@ -37,7 +37,7 @@ allprojects {
         releaseRepoName = getBintrayRepo()
         releaseUserOrg = 'google'
         releaseGroupId = 'com.google.android.exoplayer'
-        releaseVersion = 'r2.2.0'
+        releaseVersion = 'r2.3.0'
         releaseWebsite = 'https://github.com/google/ExoPlayer'
     }
 }

demo/src/main/AndroidManifest.xml

@@ -16,8 +16,8 @@
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.google.android.exoplayer2.demo"
-    android:versionCode="2200"
+    android:versionCode="2300"
-    android:versionName="2.2.0">
+    android:versionName="2.3.0">
 
   <uses-permission android:name="android.permission.INTERNET"/>
   <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>

library/src/main/java/com/google/android/exoplayer2/ExoPlayerLibraryInfo.java

@@ -23,7 +23,7 @@ public interface ExoPlayerLibraryInfo {
   /**
    * The version of the library, expressed as a string.
    */
-  String VERSION = "2.2.0";
+  String VERSION = "2.3.0";
 
   /**
    * The version of the library, expressed as an integer.
@@ -32,7 +32,7 @@ public interface ExoPlayerLibraryInfo {
    * corresponding integer version 1002003 (001-002-003), and "123.45.6" has the corresponding
    * integer version 123045006 (123-045-006).
    */
-  int VERSION_INT = 2002000;
+  int VERSION_INT = 2003000;
 
   /**
    * Whether the library was compiled with {@link com.google.android.exoplayer2.util.Assertions}