Merge "Print adb output if pushing gdbserver fails" into main am: a3a0af9a93 am: 261350a389

Original change: https://android-review.googlesource.com/c/platform/development/+/2664840

Change-Id: I67d2a0a08610928208f80d48f639d18914407203
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>