Merge "Generate frameworks-base-api-current.srcjar from exportable stubs" into main am: f4747fbaf4

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2952145

Change-Id: If83d64c303e4fec130dac72bc002daa2b3425a0e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>