Move cp2.scanPackagesByUid() to worker thread
am: 13c52d12c2

* commit '13c52d12c2af39d7782e5fd75702d5a42b594b6f':
  Move cp2.scanPackagesByUid() to worker thread

Change-Id: I0e0aaf33d73e8794c47f7cfee2d12d7f13783ba3