Add missing audio_hearing_aid_hw in Android.bp

Bug: 69623109
Test: compile, verify audio.hearing_aid.default is built
Change-Id: Ia246a6b7b026d1e6d698e9a7832ead0e584b621d
diff --git a/Android.bp b/Android.bp
index 687836e..fb0fdd9 100644
--- a/Android.bp
+++ b/Android.bp
@@ -4,6 +4,7 @@
     "btif",
     "btcore",
     "audio_a2dp_hw",
+    "audio_hearing_aid_hw",
     "hci",
     "utils",
     "device",