Merge "Remove lowpan internal API" am: 649a208492

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2192895

Change-Id: Ic52a2b85fa3cf8310bf91e19d883986c4d8e1155
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>