am f44ed5ad: Merge "Don\'t clobber the local dirty rect after rendering a layer. Bug #3417254 Bug #3413433" into honeycomb

* commit 'f44ed5adc42fefa0c91fc79c5e3c20e1cdc7d697':
  Don't clobber the local dirty rect after rendering a layer. Bug #3417254 Bug #3413433