Merge "Add an api for platform sepolicy version to vintf" am: 3ea60e26f5 am: 5c50929036 am: 77b8f5858f

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1689587

Change-Id: I540e6e54f2a345372dd2e95a2eaeecb32afe747b