audiopolicy: fixup! audiopolicy: HW Bridge Sink matching rule

Bug: 172833835
Test: atest testRecordFromRemoteSubmix twice
Test: adb shell ./data/AudioPolicyEmulatorTests/AudioPolicyEmulatorTests --gtest_filter=*VoiceCallBridgingTest*
adb shell /data/nativetest64/AudioPolicyEmulatorTests/AudioPolicyEmulatorTests --gtest_filter=PlaybackReroutingUsageMatch/LegacyPlaybackReRoutingTest.playbackReRouting/*

Signed-off-by: Francois Gaffie <francois.gaffie@renault.com>
Change-Id: I9eb9de9682624cc18644e0239bda72c2bb5b502c
Merged-In: I9eb9de9682624cc18644e0239bda72c2bb5b502c