Fix a crash when equals() is called on null String
am: 384d0e331f

Change-Id: I96153e862ce717c152295f8388a93a16480c4f5b
tree: b18d9ef57da440d2dfed7fe1686b7aed5d2cc36f
  1. proto/
  2. res/
  3. src/
  4. Android.mk
  5. AndroidManifest.xml