Allow com.android.* classes in system_service stubs

The android.* rule is meant to be for the public SDK.

Bug: 147559833
Test: m checkapi
Change-Id: I8b36cf7a4ff569d0b960455de09ed40592dd5a9e
Merged-In: I8b36cf7a4ff569d0b960455de09ed40592dd5a9e
(cherry picked from commit f74130f525)

services/Android.bp

@@ -110,9 +110,10 @@ droidstubs {
     name: "services-stubs.sources",
     srcs: [":services-sources"],
     installable: false,
-    // TODO: remove the --hide options below
     args: " --show-annotation android.annotation.SystemApi\\(client=android.annotation.SystemApi.Client.SYSTEM_SERVER\\)" +
         " --hide-annotation android.annotation.Hide" +
+        " --hide InternalClasses" + // com.android.* classes are okay in this interface
+        // TODO: remove the --hide options below
         " --hide-package com.google.android.startop.iorap" +
         " --hide ReferencesHidden" +
         " --hide DeprecationMismatch" +