Add java and JS coverage collection to RNTester for Jest E2E (#44856)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/44856

Changelog: [Internal]

Reviewed By: fkgozali

Differential Revision: D58360098

fbshipit-source-id: dd06f9d3f2fe887cb9311ccfef811a2965ca5750

packages/rn-tester/android/app/src/main/java/com/facebook/react/FBRNTesterEndToEndHelper.kt

@@ -7,9 +7,15 @@
 
 package com.facebook.react
 
+import android.app.Application
 import java.io.PrintWriter
 
-object FBEndToEndDumpsysHelper {
+object FBRNTesterEndToEndHelper {
+  fun onCreate(application: Application) {
+    // no-op This is an empty implementation to stub out Meta's internal test coverage
+    // instrumentation.
+  }
+
   fun maybeDump(prefix: String, writer: PrintWriter, args: Array<String>?) {
     // no-op This is an empty implementation to stub out Meta's internal dumpsys helper.
   }

packages/rn-tester/android/app/src/main/java/com/facebook/react/uiapp/RNTesterActivity.kt

@@ -8,7 +8,7 @@
 package com.facebook.react.uiapp
 
 import android.os.Bundle
-import com.facebook.react.FBEndToEndDumpsysHelper
+import com.facebook.react.FBRNTesterEndToEndHelper
 import com.facebook.react.ReactActivity
 import com.facebook.react.defaults.DefaultNewArchitectureEntryPoint.fabricEnabled
 import com.facebook.react.defaults.DefaultReactActivityDelegate
@@ -29,7 +29,7 @@ class RNTesterActivity : ReactActivity() {
         val routeUri = "rntester://example/${bundle.getString(PARAM_ROUTE)}Example"
         initialProps = Bundle().apply { putString("exampleFromAppetizeParams", routeUri) }
       }
-
+      FBRNTesterEndToEndHelper.onCreate(activity.application)
       super.onCreate(savedInstanceState)
     }
 
@@ -47,6 +47,6 @@ class RNTesterActivity : ReactActivity() {
       writer: PrintWriter,
       args: Array<String>?
   ) {
-    FBEndToEndDumpsysHelper.maybeDump(prefix, writer, args)
+    FBRNTesterEndToEndHelper.maybeDump(prefix, writer, args)
   }
 }