Merge "gdbrunner: Make sure remote lldb-server has +x" am: d9150d3841 am: dfd57730f1

Original change: https://android-review.googlesource.com/c/platform/development/+/2248094

Change-Id: I305ed46c8718ed566584f887e555e94865047cc3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>