Hard-code apex_available handling for the btservices apex

Bug: 236192423
Test: TH
Change-Id: Ie095ae22704a80e0ec171b1bb3fdc995f95a1c64
diff --git a/android/apex.go b/android/apex.go
index 63cdaaf..20c78ee 100644
--- a/android/apex.go
+++ b/android/apex.go
@@ -454,6 +454,7 @@
 	}
 	return InList(what, apex_available) ||
 		(what != AvailableToPlatform && InList(AvailableToAnyApex, apex_available)) ||
+		(what == "com.android.btservices" && InList("com.android.bluetooth", apex_available)) ||
 		(strings.HasPrefix(what, "com.android.gki.") && InList(AvailableToGkiApex, apex_available))
 }