chore(mobile): add debugPrint lint rule (#21872)

* add lint rule

* update usages

* stragglers

* use dcm

* formatting

* test ci

* Revert "test ci"

This reverts commit 8f864c4e4d.

* revert whitespace change

mobile/lib/utils/debug_print.dart

@@ -0,0 +1,8 @@
+import 'package:flutter/foundation.dart';
+
+@pragma('vm:prefer-inline')
+void dPrint(String Function() message) {
+  if (kDebugMode) {
+    debugPrint(message());
+  }
+}