Don't link telephony stubs against android_system_stubs

Compile against an SDK instead, which will enforce link
checks.

Bug: 152864915
Test: m
Change-Id: I49cbc4f6c6c5a1b9260b385f3c97ac2387bb9c47
diff --git a/Android.bp b/Android.bp
index 30d4409..db6a7d3 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1279,8 +1279,7 @@
     aidl: {
         export_include_dirs: ["telephony/java"],
     },
-    sdk_version: "core_current",
-    libs: ["android_system_stubs_current"],
+    sdk_version: "module_current",
 }
 
 filegroup {