Adding bluetooth apex

Bug: 206121418
Test: Compile
Change-Id: Ib7dcc33843a2173e353ba6e52f7f423cbf445915
diff --git a/Android.bp b/Android.bp
index ebdd254..acaeb25 100644
--- a/Android.bp
+++ b/Android.bp
@@ -58,6 +58,10 @@
             ],
         },
     },
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.bluetooth",
+    ],
     min_sdk_version: "29",
     host_supported: true,