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

* commit 'ac5cb3c18dc8bc0b9b1e21f4b8a0edd5c06c595c':
  gdbrunner: avoid using `[` on older devices.

Change-Id: If0f5c435ec3658a60939c75f9e679915888412f6