Add /APPCONTAINER linker flag to shared libraries in UWP builds.
Add /APPCONTAINER linker flag to shared libraries in UWP builds.

Bug: angleproject:4181
Change-Id: I6940d5605e85bcf923b201be0f0f2b1f61c30ed5
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1944463
Commit-Queue: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>
Reviewed-by: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>

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