[infer] make the Fragment Retains View checker support the androidx Fragment class name

Reviewed By: ezgicicek

Differential Revision: D14957071

fbshipit-source-id: 9d8ef443e

infer/src/checkers/androidFramework.ml

@@ -34,5 +34,6 @@ let is_autocloseable tenv tname = is_subtype_package_class tenv tname "java.lang
 let is_view tenv tname = is_subtype_package_class tenv tname "android.view" "View"
 
 let is_fragment tenv tname =
-  is_subtype_package_class tenv tname "android.app" "Fragment"
+  is_subtype_package_class tenv tname "androidx.fragment.app" "Fragment"
+  || is_subtype_package_class tenv tname "android.app" "Fragment"
   || is_subtype_package_class tenv tname "android.support.v4.app" "Fragment"