Merge "Merge "Merge "Update document of WindowMetrics#getSize" into rvc-dev...

Merge "Merge "Merge "Update document of WindowMetrics#getSize" into rvc-dev am: 7cc10160 am: 307dc41c" into rvc-d1-dev-plus-aosp am: 9d4f580c" into rvc-qpr-dev-plus-aosp am: fbdff026

Change-Id: I63a590a05b0c12d073c75b84f15b33014fa7a234