docs: Remove misleading information about hardware layer performance benefits for optimizing views.
docs: Remove misleading information about hardware layer performance
benefits for optimizing views.

bug: 18356775
Change-Id: Ideac15f1eb42fe4c2e291800458bf739cd6a9b4a

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base