Android: Update Android Studio canary version

Canary has updated to alpha 8.

BUG=620034
TBR=agrieve@chromium.org

Change-Id: I98367aedd86322e7077fe4f0e977bc4c40f1a63c
Reviewed-on: https://chromium-review.googlesource.com/883771
Reviewed-by: Peter Wen <wnwen@chromium.org>
Commit-Queue: Peter Wen <wnwen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#531554}
1 file changed