Merge "Remove unused method from MatchAllNetworkSpecifier" am: 6a5d57c2ee am: 2de61be98e am: ef5f51a45b

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1560475

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ic11ea6619c7feebc8b7a52c253e6b13ab5981dd8