The BluetoothHeadsetClient connection action no longer matches manifest

This change changes the name back to what it should have been and allows
the existing manifest content making the broadcast a protected broadcast
still work as is.

Tag: #refactor
Bug: 161145287
Test: atest BluetoothInstrumentationTests
Change-Id: Ieffe7da80d3ebab36af7a8e71e7453f3a3e8c4a1