[automerger skipped] Release 0.15.0 to live. am: 43cc77d11a am: efe3dc024f am: c7adb04aed am: da877e1208 am: de8e8406a0 -s ours am: 89fff97eee -s ours

am skip reason: Change-Id I6963b1ede7e5e0ee354799e5fb1a1f7afa173db3 with SHA-1 43cc77d11a is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/prebuilts/remoteexecution-client/+/12957188

Change-Id: Ia3a9cf2a5ed197eccc117b40c7c3dca08ba0d35e