am bc778ede: Support virtualizers without strength parameter

* commit 'bc778ede573dc74646d42dfe96997f74b23ac61d':
  Support virtualizers without strength parameter
tree: cc91c28fcd380b4a60771640d784706df482b120
  1. res/
  2. src/
  3. Android.mk
  4. AndroidManifest.xml