[automerger skipped] Block and wait for /dev/block/loop<N> to appear in case it was created asynchronously. am: 5ba8aeaa80 -s ours am: 87bf96a60e -s ours

am skip reason: Change-Id Id8616804bba622226ca21b8eff0d3eb577b4b7e0 with SHA-1 1dd5c4f787 is in history

Change-Id: If44408e84cabcadf9b3c7058375df4c5d976607e