Add Android support to breakpad_integration_test.py and update docs

Bug: crashpad:30
Change-Id: Id8ecfacafb2ea69fc254157c0ea2c9600440693f
Reviewed-on: https://chromium-review.googlesource.com/c/1157685
Commit-Queue: Joshua Peraza <jperaza@chromium.org>
Reviewed-by: Peter Beverloo <peter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#631268}
3 files changed