Enable new_robolectric

Test: mma in /external/robolectric
Bug: 244627502

Change-Id: I025df6e25a9126ec5392cd35f7b5c663efca2469
(cherry picked from commit 3561be7d30)
Merged-In: I025df6e25a9126ec5392cd35f7b5c663efca2469

Android.bp

@@ -151,6 +151,9 @@ java_library {
     visibility: [
         // DO NOT ADD ANY MORE ENTRIES TO THIS LIST
         "//external/robolectric-shadows:__subpackages__",
+        //This will eventually replace the item above, and serves the
+        //same purpose.
+        "//external/robolectric:__subpackages__",
         "//frameworks/layoutlib:__subpackages__",
     ],
 }