Ready more build rules for dir move

Tweak some visibilities and set up more filegroups to enable moving
the ApiDocs.bp and StubLibraries.bp files into the api subdir.

Bug: 271563074
Test: m
Change-Id: Ib2776dfc6c67b2042fb2f43a1251cd6f0ba61dc7
diff --git a/mime/java/Android.bp b/mime/java/Android.bp
index 07cada8e..a267d65 100644
--- a/mime/java/Android.bp
+++ b/mime/java/Android.bp
@@ -10,5 +10,8 @@
 filegroup {
     name: "framework-mime-sources",
     srcs: ["**/*.java"],
-    visibility: ["//frameworks/base"],
+    visibility: [
+        "//frameworks/base",
+        "//frameworks/base/api",
+    ],
 }