libbinder.vendor: remove activity manager AIDL

These can't be used to communicate with am via /dev/vndbinder, and
we can save a bit of resources by removing these from libbinder.vendor.

Bug: 183654927
Test: build only
Change-Id: Ie2a35186f2991fc4c3379c93c13b09f08e3a2bcf
diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index e9d866b..ca15eff 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -73,6 +73,7 @@
     "PermissionController.cpp",
     "ProcessInfoService.cpp",
     "IpPrefix.cpp",
+    ":activity_manager_procstate_aidl",
 ]
 
 cc_library {
@@ -127,7 +128,6 @@
         "TextOutput.cpp",
         "Utils.cpp",
         ":libbinder_aidl",
-        ":activity_manager_procstate_aidl",
     ],
 
     target: {