Re-submit "Change the default docs build to use module stubs"

This reverts commit 7333a054d93fe75d7553cbb6707149fc8ae43508.

Reason for revert: Wifi fix: Ia82033ed22e9f07d982eb35740350ac1ef11fe49

Change-Id: I6ccb1d3fa6311bb66d78d93a567fddb1bb2d5be1
diff --git a/ApiDocs.bp b/ApiDocs.bp
index a926ddc..8af2e02 100644
--- a/ApiDocs.bp
+++ b/ApiDocs.bp
@@ -112,7 +112,6 @@
 }
 
 // Defaults module for doc-stubs targets that use module source code as input.
-// This is the default/normal.
 stubs_defaults {
     name: "framework-doc-stubs-sources-default",
     defaults: ["framework-doc-stubs-default"],
@@ -147,12 +146,6 @@
 }
 
 droidstubs {
-    name: "framework-doc-stubs",
-    defaults: ["framework-doc-stubs-sources-default"],
-    args: metalava_framework_docs_args,
-}
-
-droidstubs {
     name: "framework-doc-system-stubs",
     defaults: ["framework-doc-stubs-sources-default"],
     args: metalava_framework_docs_args +
@@ -160,11 +153,8 @@
     api_levels_sdk_type: "system",
 }
 
-// Experimental target building doc stubs with module stub source code as input.
-// This is intended to eventually replace framework-doc-stubs, once all diffs
-// have been eliminated.
 droidstubs {
-    name: "framework-doc-stubs-module-stubs",
+    name: "framework-doc-stubs",
     defaults: ["framework-doc-stubs-default"],
     args: metalava_framework_docs_args,
     srcs: [