commit d3f1bf2e90ec7216711f89084ad097953a61cc56
author Ningyuan Wang <nywang@google.com> Mon Oct 02 16:32:23 2017 -0700
committer Ningyuan Wang <nywang@google.com> Tue Oct 03 10:21:43 2017 -0700
tree 2d1ee089870a745d856168974617ecaa41db0145
parent c87aecfd496838b6038b23cefb216817740fcc6d

Automatically do 'adb disable-verity' if needed

This also changes the order of 'adb root' and 'adb wait-for-device'
to correctly handle the case that device is not ready yet when
runtest.sh is executed.

Bug: 67326963

Test: run 'adb enable-verify' and 'adb reboot'
    then execute run_test.sh
    observe that 'adb disable-verify' is executed.

Test: run 'adb disable-verify' and 'adb reboot'
    then execute run_test.sh
    observe that 'adb disable-verify' is not executed.

Change-Id: I3f7ee2be2789ddd912ed2423c5ce5db20efe211d