[automerger skipped] Merge "Add support for remote-execution / caching of...

[automerger skipped] Merge "Add support for remote-execution / caching of signapk actions" into rvc-dev am: 6619d28c am: 60d077d8 -s ours am: a953b9d2 -s ours am: 2b400cca -s ours

am skip reason: Change-Id I4b8c21320c2f38914ef39d3d8f036d885fab4e72 with SHA-1 309b1c0d is in history

Change-Id: I79e8cd4279b0727c9009ed61f81505c30beac44d