Merge "Libcore VarHandle generator script and tests." am: 2427797d am:...

Merge "Libcore VarHandle generator script and tests." am: 2427797d am: 14a7d644 am: d6ba065a am: b1e057d6 am: c728f2fa

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2079622



Change-Id: Ife51f5af3f068ed0b3b740bff4a55f7b66fb9ed1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>