Until now, only revision changes were automatically rolled. This CL detect new and removed dependencies in third_party/android_deps. Change-Id: I4f83b7308be577115cc3ed57edd9881496428173 Bug: chromium:855108 Reviewed-on: https://webrtc-review.googlesource.com/100021 Commit-Queue: Patrik Höglund <phoglund@webrtc.org> Reviewed-by: Patrik Höglund <phoglund@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24773}