platform_tools/android/bin/android_gdbserver: fix error

Change-Id: I8dc7522dad4433dff6a6d72fc13fecb1c1d5b9cd
Reviewed-on: https://skia-review.googlesource.com/59600
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
1 file changed