Add defaults for framework stub libs

Useful to be able to change settings for all stub libs at
the same time. For example, disting these libraries will be
done soon.

Bug: 149293194
Test: followup CLs
Change-Id: I4dda5b44b6d4e76018acb50f46d05816cc4c7f0b
Merged-In: I4dda5b44b6d4e76018acb50f46d05816cc4c7f0b
(cherry picked from commit b470bf34341092630f8e390eca09b7b9c646a0a1)
diff --git a/apex/Android.bp b/apex/Android.bp
index 1943940..a6461f3 100644
--- a/apex/Android.bp
+++ b/apex/Android.bp
@@ -66,6 +66,24 @@
     },
 }
 
+java_defaults {
+    name: "framework-module-stubs-lib-defaults-publicapi",
+    installable: false,
+    sdk_version: "module_current",
+}
+
+java_defaults {
+    name: "framework-module-stubs-lib-defaults-systemapi",
+    installable: false,
+    sdk_version: "module_current",
+}
+
+java_defaults {
+    name: "framework-module-stubs-lib-defaults-module_libs_api",
+    installable: false,
+    sdk_version: "module_current",
+}
+
 // The defaults for module_libs comes in two parts - defaults for API checks
 // and defaults for stub generation. This is because we want the API txt
 // files to *only* include the module_libs_api, but the stubs to include