Add more build variants to audio_common-aidl

Those are needed by new dependecies introduced from libaudioclient as
part of transitioning it to AIDL.

Bug: 160253486
Test: See main topic CL.

Change-Id: If4796aa91680290bcc40b496ed23911e498b4f9e
diff --git a/media/Android.bp b/media/Android.bp
index 828707b..8b06bb2 100644
--- a/media/Android.bp
+++ b/media/Android.bp
@@ -1,7 +1,10 @@
 aidl_interface {
     name: "audio_common-aidl",
     unstable: true,
+    host_supported: true,
+    vendor_available: true,
     local_include_dir: "aidl",
+    double_loadable: true,
     srcs: [
         "aidl/android/media/audio/common/AudioChannelMask.aidl",
         "aidl/android/media/audio/common/AudioConfig.aidl",