More prep for ComponentContext not extending Context

Summary: Per title

Reviewed By: astreet

Differential Revision: D12839032

fbshipit-source-id: c69805fd68a6530d1e56edad3bb5edf4089ee98a

android/sample/src/main/java/com/facebook/flipper/sample/RootComponentSpec.java

@@ -135,8 +135,8 @@ public class RootComponentSpec {
 
   @OnEvent(ClickEvent.class)
   static void openDiagnostics(final ComponentContext c) {
-    Intent intent = new Intent(c, FlipperDiagnosticActivity.class);
-    c.startActivity(intent);
+    Intent intent = new Intent(c.getBaseContext(), FlipperDiagnosticActivity.class);
+    c.getBaseContext().startActivity(intent);
   }
 
 }