Change GetGMSCoreVersion to GetPackageVersion

Changes GetGMSCore in high.py to a more generic GetPackageVersion.

This is in preparation for adding Playstore version to Android
dimensions alongside the existing GMS Core version.

Bug: 914927
Change-Id: I20f5de6f75a4d4cab757b62182f351e713e03be1
Reviewed-on: https://chromium-review.googlesource.com/c/1379068
Auto-Submit: Brian Sheedy <bsheedy@chromium.org>
Reviewed-by: Ben Pastene <bpastene@chromium.org>
1 file changed