Add rc.exe hook to DEPS.
Add rc.exe hook to DEPS.

This is necessary to build Windows ANGLE with the hermetic Win SDK.

BUG=angleproject:1569

Change-Id: Ic2c0aac6cab8d1a20f0bca8aea55418fe7defdc5
Reviewed-on: https://chromium-review.googlesource.com/734980
Reviewed-by: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>
Commit-Queue: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>

ppy/angle,ppy/angle,ppy/angle,ppy/angle