Attempt to make waitForIdleHandler reliable. am: 53347a0f27 am: 9f0ddc6573 am: dfd6d2e764
am: 3701103f7f

Change-Id: Ia2d7a4405ce60ca99b1ee6c80c0babf93983cf64
tree: 9433c7beea0d60af949b182b101749df7215d44c
  1. core/
  2. services/
  3. tests/