Delete spurious file.
Fix handling of encrypted media if IV changes.

1. Correctly replace the AES data source if IV changes.
2. Check the largest timestamp for being equal to MIN_VALUE, and
   handle this case properly.
3. Clean up AES data source a little.

Issue: #162
fix compatibility with android gradle plugin 0.14
gradle: 2.2.1-rc-1 wrapper jar and distribution url
gradle: fix demo build.gradle
gradle: compileSdkVersion 21

fixes broken import statements
demo: compileSdkVersion 21 (was 19)
Merge pull request #164 from talklittle/dev

gradle plugin 0.14.4 fixes
Merge pull request #166 from google/dev

dev -> dev-hls
Correctly handle redirection when requesting manifests.
Merge pull request #169 from google/dev

Correctly handle redirection when requesting manifests.
Merge remote-tracking branch 'upstream/dev-hls' into dev-hls
Hack: Allow setting a known output latency on AudioTrack

Not all devices has the hidden method to query AudioTrack latency.
If the app can get this info some other way, let it set it.

Signed-off-by: Jonas Larsson <jonas@hallerud.se>