tree a8037ccffa9c39c5cbce265c6d1b4fd93c2c3281
parent 810e018e2459cf81f80480fdd61e7355e2fd250e
author Conrad Chen <conradchen@google.com> 1491438661 -0700
committer Conrad Chen <conradchen@google.com> 1491937384 -0700

TIF: add TvInputManager methods to notify apps

Adds TvInputManager methods to notify apps with protected broadcasts
for:
1. Disabling browsable state of preview and watch next programs.
2. Adding preview programs to watch next programs.

Test: build and verify manually to check if notifications are
      broadcasted.
Bug: 35881266

Change-Id: I20fd5b63f42b2c74277315bbbd251b71c649e5c1