Consider double tap of the play/pause as the next track

See following document for the details
https://source.android.com/devices/accessories/headset/usb-headset-spec#control-function-mapping

Bug: 36575213
Test: Run Cts (MediaSessionTest)
Change-Id: I3f9f641a4f6aeb36f03758f05e15bc062cda85f3