Merge "Add jarjar rules generator" am: 49d6b5d80b

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2103112

Change-Id: Ica0a85142f5230e788860429201eac2f4e9a7de2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>