Move pgo rules to afdo

Test: presubmit
Change-Id: If50045f942c83029ecca0a9531e328755b3a22eb
diff --git a/libs/ui/Android.bp b/libs/ui/Android.bp
index d4d0ee4..506e308 100644
--- a/libs/ui/Android.bp
+++ b/libs/ui/Android.bp
@@ -226,10 +226,7 @@
     ],
     min_sdk_version: "29",
 
-    pgo: {
-        sampling: true,
-        profile_file: "libui/libui.profdata",
-    },
+    afdo: true,
 }
 
 cc_library_headers {