Remove framework annotations from appsearch stubs

They should be in the classpath, not compiled statically into the stubs.

Bug: 144149403
Test: m framework-appsearch-stubs + followup CL
Change-Id: I8521f131e0f9e79d4d24870c2866783245bc8488

apex/appsearch/framework/Android.bp

@@ -58,10 +58,8 @@ metalava_appsearch_docs_args =
 
 droidstubs {
     name: "framework-appsearch-stubs-srcs",
-    srcs: [
-        ":framework-annotations",
-        ":framework-appsearch-sources",
-    ],
+    srcs: [":framework-appsearch-sources"],
+    libs: ["framework-annotations-lib"],
     aidl: {
         include_dirs: ["frameworks/base/core/java"],
     },