Make Lightbringer getPackageName Nullable

An empty string isn't as clear and can lead to incorrectly matching other
intents when just comparing package names.

PiperOrigin-RevId: 159725546
Change-Id: I2943b3569fb6409f5c69deb2032f3d8248f6c14d
3 files changed
tree: 1fa52bfc077ac8f72708a4bc7162978d642206f6
  1. assets/
  2. java/
  3. Android.mk
  4. AndroidManifest.xml
  5. LICENSE