tree bd51b7697aecd88bea408cae2a7f5effb2bd041a
parent b867295c3ea7204e8e9278a05f7d3e6bc957683e
author Zimuzo <zezeozue@google.com> 1546980159 +0000
committer Zimuzo <zezeozue@google.com> 1547217928 +0000

Fix PackageWatchdog and add PackageWatchdogTest

Fixes:
1. Remove registered observer when removed from persisted file
2. Only call external observers after threshold is exceeded
3. Handle edge case where we reschedule package cleanup and elapsed time
is longer than scheduled duration
4. Modify code to allow easier testing

Bug: 120598832
Test: atest PackageWatchdogTest

Change-Id: I92181136fb5994a4d8ebe976be3138f210e853a5