Merge "gdbrunner: Make sure remote lldb-server has +x" am: d9150d3841 am: dfd57730f1 am: 4e9f55572d

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

Change-Id: I6e465ec7faebdb2c493a4addf0f8834d875e8d1f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>