Merge "DO NOT MERGE: Stabilize testConcurrentServerSocketCloseReliablyThrows." into nougat-mr1-cts-dev am: 00a16ee4 -s ours am: 79ca4a55 am: 872100e7 am: 62315edb -s ours Change-Id: I84cbadbf2150f13c922f52f734d56a3663712ea1