Remove framework-doc-only-libs

They don't seem to do anything. All the docs compile without them
and I don't see any additional warnings/errors being printed.

If they actually do something, the list is almost certainly incomplete
anyway.

Test: m docs
Change-Id: I1bda7c4cc1d882d80cfe38ee734643c9eed030dc

api/ApiDocs.bp

@@ -20,41 +20,6 @@
 // The API doc generation is done by the various droiddoc modules each of which
 // is for different format.
 
-/////////////////////////////////////////////////////////////////////
-// stub source files are generated using metalava
-/////////////////////////////////////////////////////////////////////
-
-framework_docs_only_libs = [
-    "voip-common",
-    "android.test.mock",
-    "android-support-annotations",
-    "android-support-compat",
-    "android-support-core-ui",
-    "android-support-core-utils",
-    "android-support-design",
-    "android-support-dynamic-animation",
-    "android-support-exifinterface",
-    "android-support-fragment",
-    "android-support-media-compat",
-    "android-support-percent",
-    "android-support-transition",
-    "android-support-v7-cardview",
-    "android-support-v7-gridlayout",
-    "android-support-v7-mediarouter",
-    "android-support-v7-palette",
-    "android-support-v7-preference",
-    "android-support-v13",
-    "android-support-v14-preference",
-    "android-support-v17-leanback",
-    "android-support-vectordrawable",
-    "android-support-animatedvectordrawable",
-    "android-support-v7-appcompat",
-    "android-support-v7-recyclerview",
-    "android-support-v8-renderscript",
-    "android-support-multidex",
-    "android-support-multidex-instrumentation",
-]
-
 // These defaults enable doc-stub generation, api lint database generation and sdk value generation.
 stubs_defaults {
     name: "android-non-updatable-doc-stubs-defaults",
@@ -65,7 +30,6 @@ stubs_defaults {
         ":android-test-mock-sources",
         ":android-test-runner-sources",
     ],
-    libs: framework_docs_only_libs,
     create_doc_stubs: true,
     write_sdk_values: true,
 }
@@ -197,7 +161,7 @@ doc_defaults {
     name: "framework-docs-default",
     sdk_version: "none",
     system_modules: "none",
-    libs: framework_docs_only_libs + [
+    libs: [
         "stub-annotations",
         "unsupportedappusage",
     ],