Convert IMediaCasService to use vintf_fragments

Bug: 119669996
Test: Run cts CtsMediaTestCases
Change-Id: I841c64523ce506b923a530b7fb6f2476b4607661
diff --git a/cas/1.0/default/Android.bp b/cas/1.0/default/Android.bp
index 544162b..a80c47f 100644
--- a/cas/1.0/default/Android.bp
+++ b/cas/1.0/default/Android.bp
@@ -1,5 +1,6 @@
 cc_binary {
     name: "android.hardware.cas@1.0-service",
+    vintf_fragments: ["android.hardware.cas@1.0-service.xml"],
     defaults: ["hidl_defaults"],
     vendor: true,
     relative_install_path: "hw",