Fix visibility rules now that Make supports visibility checks

Previously, Soong visibility rules did not affect Make modules. Now
these checks have been implemented in:

https://android-review.googlesource.com/c/platform/build/+/1324454

So this fixes the visibility rules to include modules that were
previously using statslog-statsd.

Bug: 158599308
Test: treehugger
Change-Id: Id98916c561f90ca37ed5664c4a6bf5aef16e18e1

apex/statsd/framework/Android.bp

@@ -31,7 +31,8 @@ java_library_static {
     ],
     visibility: [
         "//cts/hostsidetests/statsd/apps:__subpackages__",
-    ]
+        "//vendor:__subpackages__",
+    ],
 }
 
 filegroup {