Release Android v5.0.2

[tobrun]

Release v5.0.2 is the second patch release in the 5.x series. This release adds binary shader caching, reverts touch interaction to the 4.x implementation, fixes MarkerView anchoring and a resource transform callback crash.

Highlights

• Binary shader caching #8604
• Fix resource transform callback #8582 in #8586
• Correct anchoring when updating MarkerView Icon #8519 in #8586
• Revert 5.x onTouch changes to 4.x #8585

TODO list for making this happen @tobrun

• Change version name to 5.0.2 in /platform/android/MapboxGLAndroidSDK/gradle.properties -> Release android v5.0.2 #8629
• Publish 5.0.2 artifact to Maven Central -> http://repo1.maven.org/maven2/com/mapbox/mapboxsdk/mapbox-android-sdk/5.0.2/
• Update CHANGELOG.md -> Release android v5.0.2 #8629
• Change version name back to 5.1.0-SNAPSHOT in /platform/android/MapboxGLAndroidSDK/gradle.properties -> Release android v5.0.2 #8629
• Create and tag android-v5.0.2 release on GitHub -> https://github.com/mapbox/mapbox-gl-native/releases/tag/v5.0.2
• Update JavaDoc Documentation @langsmith / @cammace
• Update documentation on mapbox.com Android install workflow @langsmith / @cammace
• Update documentation in /help repo @langsmith / @cammace
• Update Mapbox Demo App to use 5.0.2 and release on Google Play @langsmith / @cammace
• Tweet release announcement @langsmith / @cammace

/cc @mapbox/mobile @mapbox/support

[jfirebaugh]

Note that #8604 isn't merged yet.

[Edit: merged now.]

[tobrun]

@langsmith can you work together with @cammace on the remaining items?

[langsmith]

TODO list finished. Closing.