Make sure Keep annotation is honored by Proguard.

This fixes a startup crash, caused by the FeatureFactoryImpl class being
renamed by Proguard.

Test: Build and install the app, confirm it no longer crashes.
Bug: 37753652
Change-Id: I881dea033d12ad63e2085a999139c5a4f310bb1a
2 files changed
tree: 39e803ce2f61f7d0caed6efde57ded4e7a1e3681
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. proguard.flags