[automerger skipped] Move networkstats JNI to connectivity module am: 63d42a25bb am: 4dd383daec am: 5b57d56241 -s ours

am skip reason: Merged-In I815ea379f3d9915041c80ac5e743ce62e05f4cf8 with SHA-1 1e63b0bce2 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1987468

Change-Id: I80b42cc022f359e11476588ef3f62a771eaa55d6