tree ca2dba1d6c0b79baf679c1ad206c2fd9575e63fc
parent 3e8431f1f223cb688f66da30816515d87f846d5b
author Dianne Hackborn <hackbod@google.com> 1478132315 -0700
committer Dianne Hackborn <hackbod@google.com> 1478304327 -0700

Implement system API for monitoring uid importance changes.

Changed the permission for registerUidObserver to be
PACKAGE_USAGE_STATS, which better matches the semantics of this
API and is accessible to system apps.

Test: Added testUidImportanceListener()

Change-Id: Ib47d02bd654fbe399a9c92550c89ecbd38f928dc