This reverts commit 58ff1badf9.
This change also restricts diff only to changes that are submodule related by
utilizing patch diff search.
Original change's description:
> [gclient] Read submodule status information
>
> This allow us to skip sync if we know the state is correct.
>
> R=gavinmak@google.com
>
> Bug: 40283612, 40942309
> Change-Id: I30fd5bfb9ca8ab0f7dcce567e2a5cb4aebdc7b2f
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/5480172
> Commit-Queue: Josip Sokcevic <sokcevic@chromium.org>
> Reviewed-by: Gavin Mak <gavinmak@google.com>
Bug: 40283612, 40942309
Change-Id: Iac7ed8c927de1a03a3d60dd50108ddb0b6d96c7e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/5513190
Reviewed-by: Gavin Mak <gavinmak@google.com>
Commit-Queue: Josip Sokcevic <sokcevic@chromium.org>
