Apply code review suggestions

Author: atorralba

java/ql/lib/semmle/code/java/dataflow/FlowSources.qll

@@ -271,7 +271,7 @@ class ExportedAndroidContentProviderInput extends RemoteFlowSource, AndroidConte
  * calls `startActivityForResult` with an implicit Intent.
  */
 class OnActivityResultIntentSource extends OnActivityResultIncomingIntent, RemoteFlowSource {
-  OnActivityResultIntentSource() { isRemoteSource() }
+  OnActivityResultIntentSource() { this.isRemoteSource() }
 
   override string getSourceType() { result = "Android onActivityResult incoming Intent" }
 }

java/ql/lib/semmle/code/java/frameworks/android/OnActivityResultSource.qll

@@ -42,11 +42,14 @@ class OnActivityResultIncomingIntent extends DataFlow::Node {
       // and the activity it belongs to defines `onActivityResult`.
       exists(MethodAccess ma |
         ma.getMethod().hasName(["add", "attach", "replace"]) and
-        ma.getMethod().getDeclaringType().hasName("FragmentTransaction") and
+        ma.getMethod().getDeclaringType().hasQualifiedName("android.app", "FragmentTransaction") and
         any(Argument arg | arg = ma.getAnArgument()).getType() = startingType
         or
         ma.getMethod().hasName("show") and
-        ma.getMethod().getDeclaringType().getASupertype*().hasName("DialogFragment") and
+        ma.getMethod()
+            .getDeclaringType()
+            .getASupertype*()
+            .hasQualifiedName("android.app", "DialogFragment") and
         startingType = ma.getQualifier().getType()
       |
         ma.getEnclosingCallable().getDeclaringType() =