[PB12] Implement the progress bar update lifecycle

This ensures the thread does not run uselessly (it is even terminated when
the progress bar exits the screen).

Bug: 7600384
Change-Id: I09117a6f763b574b9b3266f36ba3da4720dc9224
2 files changed
tree: 6b76ad55307fa470f5efe73037bd1ee591a70c94
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk