Attempt to make waitForIdleHandler reliable. am: 572f1a3185 am: b18bd6bd3d
am: e160fe177d

Change-Id: I2369fbd693b467283232f47703fd471c8ff60c1f
tree: 91f945261cca882c00e1134270c8b097009ffcf8
  1. core/
  2. services/
  3. tests/