Merge "Remove unused filegroup" am: 0b849c89b3

Original change: https://android-review.googlesource.com/c/platform/frameworks/libs/net/+/2110345

Change-Id: I7acbfab6bf9c6efb514847a278d17099f8e71a7e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>