Stop depending on source for libcore UnsupportedAppUsage annotation

Replaces use of the unsupportedappusage_annotation_files filegroup
(which is very poorly named) with the better named library
art.module.api.annotations.

Bug: 142113521
Test: m java
Change-Id: I8db63bd3d7e3c40953551544792d8863493ef956
diff --git a/Android.bp b/Android.bp
index 8f5675f..34b5e7e 100644
--- a/Android.bp
+++ b/Android.bp
@@ -417,7 +417,9 @@
     srcs: [
         "core/java/android/annotation/IntDef.java",
         "core/java/android/annotation/UnsupportedAppUsage.java",
-        ":unsupportedappusage_annotation_files",
+    ],
+    static_libs: [
+        "art.module.api.annotations",
     ],
 
     sdk_version: "core_current",