Revert "[file_selector_android] Attempt to close system dialogs before integration tests run (#5805)"

This reverts commit c6b86c5.

Touched to retrigger testing 2

Author: reidbaker

packages/file_selector/file_selector_android/example/android/app/src/androidTest/java/dev/flutter/packages/file_selector_android_example/FileSelectorAndroidTest.java

@@ -20,7 +20,6 @@
 import android.content.ClipData;
 import android.content.Intent;
 import android.net.Uri;
-import androidx.test.core.app.ActivityScenario;
 import androidx.test.espresso.intent.rule.IntentsRule;
 import androidx.test.ext.junit.rules.ActivityScenarioRule;
 import org.junit.Rule;
@@ -33,28 +32,12 @@ public class FileSelectorAndroidTest {
 
   @Rule public IntentsRule intentsRule = new IntentsRule();
 
-  public void clearAnySystemDialog() {
-    myActivityTestRule
-        .getScenario()
-        .onActivity(
-            new ActivityScenario.ActivityAction<DriverExtensionActivity>() {
-              @Override
-              public void perform(DriverExtensionActivity activity) {
-                Intent closeDialog = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
-                activity.sendBroadcast(closeDialog);
-              }
-            });
-  }
-
   @Test
   public void openImageFile() {
-    clearAnySystemDialog();
-
     final Instrumentation.ActivityResult result =
         new Instrumentation.ActivityResult(
             Activity.RESULT_OK,
             new Intent().setData(Uri.parse("content://file_selector_android_test/dummy.png")));
-
     intending(hasAction(Intent.ACTION_OPEN_DOCUMENT)).respondWith(result);
     onFlutterWidget(withText("Open an image")).perform(click());
     onFlutterWidget(withText("Press to open an image file(png, jpg)")).perform(click());
@@ -65,8 +48,6 @@ public void openImageFile() {
 
   @Test
   public void openImageFiles() {
-    clearAnySystemDialog();
-
     final ClipData.Item clipDataItem =
         new ClipData.Item(Uri.parse("content://file_selector_android_test/dummy.png"));
     final ClipData clipData = new ClipData("", new String[0], clipDataItem);