Merge "Update references to prebuilt sdks to use "current"" am: e4d468f16d am: d0051e43d9 am: ab3209763e

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1576465

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I7df7d42ed5f5035175173150ac46114a4025ed11