Make it possible to debug Release builds on rooted phones

https://codereview.chromium.org/884993003 broke gdb debugging
on Release buils. This commit makes sure it works to debug
Debug and Release (only on rooted device) builds.

BUG=453379

Review URL: https://codereview.chromium.org/891743003

Cr-Commit-Position: refs/heads/master@{#314567}
1 file changed