am 5c52bb88: Fix potential NPE when generating accessibility text.

* commit '5c52bb885d49475ad8c8ed2d49fc669c9d865431':
  Fix potential NPE when generating accessibility text.
tree: 71231eeef8d2f0d6b8b739a8cbe8998b1c21a3d5
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. proguard.flags