Android: add manifest dump to apk_operations.py.

This is needed by automated tools like third_party/catapult/devil to
examine the application details of a bundle.

Bug: 931269
Change-Id: I000bd53d444390778657e12a4d64ca0e06f38aa5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1477022
Reviewed-by: Egor Pasko <pasko@chromium.org>
Reviewed-by: David Turner <digit@chromium.org>
Commit-Queue: Egor Pasko <pasko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#638568}
2 files changed