Add a shared filegroup for non-updatable stub sources

It is always a mistake to add something to the stub sources but not
the doc stub sources.

Test: m
Change-Id: I6b76f5d2c7f0adc01b8a9eb141f2f34d9c2d2967
diff --git a/Android.bp b/Android.bp
index 6e982d0..f910cc3 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1341,6 +1341,18 @@
     "--api-lint-ignore-prefix junit. " +
     "--api-lint-ignore-prefix org. "
 
+filegroup {
+    name: "framework-non-updatable-stub-sources",
+    srcs: [
+        ":framework-non-updatable-sources",
+        ":opt-telephony-srcs",
+        ":opt-net-voip-srcs",
+        "core/java/**/*.logtags",
+        "**/package.html",
+    ],
+    visibility: ["//visibility:private"],
+}
+
 build = [
     "StubLibraries.bp",
     "ApiDocs.bp",