GitLab

This CL tweaks the logic in CameraAppDeviceImpl a bit to make sure the
calls which need to be run on Mojo thread actually run on it.

Bug: b/175185495
Test: Manually
Change-Id: I2480d43fec56667741cb096f39f1a189e0326757
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2592182Reviewed-by: Shik Chen <shik@chromium.org>
Commit-Queue: Shik Chen <shik@chromium.org>
Auto-Submit: Wei Lee <wtlee@chromium.org>
Cr-Commit-Position: refs/heads/master@{#837931}