Enable libicui18n and libandroidicu for Windows

This is needed to use skia in Android Studio for Windows.
The Windows build requires two compilation flags to ignore several
compilation warnings. Those will be able to be removed once fixes have
been merged upstream.

Bug: 122841746
Test: sdk build
Change-Id: I094b8001689b208e64284adb51c50f566b03e097
3 files changed