Merge "gdbrunner: avoid using `[` on older devices." am: fb4dd3e63b am: ac5cb3c18d
am: 03d18e4c03

* commit '03d18e4c03dd6c3b280a472e2a01a6a63e0f74c9':
  gdbrunner: avoid using `[` on older devices.

Change-Id: Iceefa8d71807116b18b1f4c347cde6453a75ac06