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Update typeId for BufferQueueLayer and BufferStateLayer
Currently BufferQueueLayer and BufferStateLayer have typeId BufferLayer. Changed to use more specific typeIds so they can be identified when dumping state. Also renamed getTypeId to getType since it was not returning an ID, but rather a char* name Test: adb shell dumpsys SurfaceFlinger Change-Id: Ic80e995fa37acb2a9f21ea91bae8608657bf0bf1