Merge "Always update DimLayer bounds when starting dim." into nyc-dev
am: 8dd32a5

* commit '8dd32a56f74b896b21895ec75d58fa415caa2c70':
  Always update DimLayer bounds when starting dim.

Change-Id: Ida830b0a2f1490bdfb0a6f4af5cf2412492dcd73