Merge cherrypicks of [4793300, 4793320, 4793321, 4793340, 4793322, 4793061, 4793323, 4793324, 4793325, 4793380, 4793341, 4793342, 4793343, 4793265, 4793131, 4793132, 4793266, 4793133, 4793134, 4793400, 4793229, 4793381, 4793382, 4793383, 4793384, 4793385, 4793386, 4793387, 4793388, 4793062, 4793105, 4793063, 4793135, 4793389, 4793420] into pi-release

Change-Id: Iae4049afefd8e106bb49dfc5df83a3a2a3bc4b9a