Updates the configs to use the new protobuf properties. Adds support for ARM/ARM64 Android builds. Must be landed in conjunction with http://crrev.com/c/2841787 . Bug: angleproject:2344 Bug: angleproject:5114 Change-Id: I49f4f46ceaa7ce9118c9f4b4ceb06353b00429b6 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2842306 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
