Merge "Use waitForIdle() to wait for Threaded processing." am: 75c1d97c4c am: 9970964bb1 am: 471de383b1

Change-Id: I0d7cbe58f55e25e552f6ae17ffd19cb79f86fe45
tree: 558137fdc02a8fd48940c0716ebb7fbf94e84427
  1. core/
  2. services/
  3. tests/