am b9fd188a: am d91ac98a: fix [2785833] valgrind error in android::Layer::requestBuffer

Merge commit 'b9fd188a0b1cd71e38c03a7bb4a4688eedf83667'

* commit 'b9fd188a0b1cd71e38c03a7bb4a4688eedf83667':
  fix [2785833] valgrind error in android::Layer::requestBuffer