AML: Make Context#getOpPackageName() public

Bug: 119748678
Test: build
Change-Id: I79f7d057df5b61fa661987d36f20d24825eb1e5b
diff --git a/test-mock/api/current.txt b/test-mock/api/current.txt
index 7842a1c..5b58dd5 100644
--- a/test-mock/api/current.txt
+++ b/test-mock/api/current.txt
@@ -80,6 +80,7 @@
     method public java.io.File getNoBackupFilesDir();
     method public java.io.File getObbDir();
     method public java.io.File[] getObbDirs();
+    method public java.lang.String getOpPackageName();
     method public java.lang.String getPackageCodePath();
     method public android.content.pm.PackageManager getPackageManager();
     method public java.lang.String getPackageName();