[Android WebView Layout Tests] fix run_tests_rebaseline.sh

Currently the run_tests_rebaseline.sh script does not work as
intended due to the switch to AndroidJUnitRunner. This CL fixes
the script and makes it possible to rebaseline webview layout
tests as originally intended.

Change-Id: If055a4460925ea5e18d3996d927c8596b9027a7a
Reviewed-on: https://chromium-review.googlesource.com/1150160
Reviewed-by: Richard Coles <torne@chromium.org>
Commit-Queue: Tim Volodine <timvolodine@chromium.org>
Cr-Commit-Position: refs/heads/master@{#577926}
1 file changed