Clear apex.go entries for bluetooth libs

The module availability to Bluetooth is currently hard-coded in apex.go.
We are in the process of cleaning the apex.go by adding the availability
in each required module

Test: Build + TH + boot phone & use bluetooth
Bug: 216433795
Change-Id: I7b9e2a95e9fda0f25786e113d78bca81a4406abf
diff --git a/common/Android.bp b/common/Android.bp
index 0e4dac2..e0b75c5 100644
--- a/common/Android.bp
+++ b/common/Android.bp
@@ -290,6 +290,7 @@
     // TODO: remove "apex_available:platform".
     apex_available: [
         "//apex_available:platform",
+        "com.android.bluetooth",
         "com.android.tethering",
     ],
     visibility: [