Invoke update.py as a subprocess in coverage.py

Currently coverage.py is using update.py as a module which is not guaranteed

Bug: 1075586
Change-Id: Ia4c54413bfd63adc412fd665af26ac0b228f3e30
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2210175
Auto-Submit: Prakhar Asthana <pasthana@google.com>
Commit-Queue: Yuke Liao <liaoyuke@chromium.org>
Reviewed-by: Yuke Liao <liaoyuke@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#771111}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: a4844117fd733d161f8930d95ea2c49bbb5026e2
1 file changed