Merge cherrypicks of [3898864, 3898788, 3898789, 3898836, 3898617, 3898865,...

Merge cherrypicks of [3898864, 3898788, 3898789, 3898836, 3898617, 3898865, 3898683, 3898866, 3898867, 3897560, 3898868, 3898790, 3898791, 3898792, 3898793, 3898794, 3898048, 3898049, 3898050, 3897937, 3897938, 3897867, 3897868, 3897939, 3898869, 3898978, 3898799, 3898763] into sparse-4669640-L25700000163305736

Change-Id: Ibf3bee67113234976700566cd6be7e7c45937f25