fixed android e2e samsung bugs

AndroidE2E/app/src/androidTest/java/com/reactnativenavigation/e2e/androide2e/ApplicationLifecycleTest.java

 package com.reactnativenavigation.e2e.androide2e;
 
+import android.content.Intent;
+import android.net.Uri;
+import android.provider.Settings;
 import android.support.test.uiautomator.By;
 
 import org.junit.FixMethodOrder;
 import org.junit.Test;
 import org.junit.runners.MethodSorters;
 
+import static android.support.test.InstrumentationRegistry.getInstrumentation;
+
 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
 public class ApplicationLifecycleTest extends BaseTest {
 
 		elementByText("PUSH").click();
 		assertExists(By.text("Pushed Screen"));
 
-		device().pressHome();
-		device().waitForIdle();
-		device().executeShellCommand("am kill " + PACKAGE_NAME);
+		killAppSaveInstanceState_ByTogglingPermissions();
 
 		device().pressRecentApps();
 		elementByText("Playground").click();
 		assertMainShown();
 	}
+
+	private void killAppSaveInstanceState_ByTogglingPermissions() throws Exception {
+		device().pressHome();
+
+		device().waitForIdle();
+		launchAppInfoSettings();
+		device().waitForIdle();
+
+		elementByText("Permissions").click();
+		elementByText("Storage").click();
+		elementByText("Storage").click();
+		device().pressBack();
+		device().pressBack();
+		device().pressHome();
+		device().waitForIdle();
+	}
+
+	private void launchAppInfoSettings() {
+		Intent intent = new Intent();
+		intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
+		intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+		intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+		intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
+		Uri uri = Uri.fromParts("package", PACKAGE_NAME, null);
+		intent.setData(uri);
+		getInstrumentation().getTargetContext().startActivity(intent);
+	}
 }

AndroidE2E/app/src/androidTest/java/com/reactnativenavigation/e2e/androide2e/BaseTest.java

 	}
 
 	public void acceptOverlayPermissionIfNeeded() throws Exception {
-		if (elementByText("Draw over other apps").waitForExists(300)) {
+		if (isRequestingOverlayPermission()) {
 			if (!elementByText("Playground").exists()) {
 				scrollToText("Playground");
 			}
 		}
 	}
 
+	private boolean isRequestingOverlayPermission() {
+		return device().wait(Until.hasObject(By.pkg("com.android.settings").depth(0)), 300);
+	}
+
 	public UiObject elementByText(String text) {
 		return device().findObject(new UiSelector().text(text));
 	}
 
+	public UiObject elementByTextContains(String text) {
+		return device().findObject(new UiSelector().textContains(text));
+	}
+
 	public void scrollToText(String txt) throws Exception {
 		new UiScrollable(new UiSelector().scrollable(true)).scrollTextIntoView(txt);
 	}

AndroidE2E/app/src/androidTest/java/com/reactnativenavigation/e2e/androide2e/ScreenStackTest.java

 
 import android.support.test.uiautomator.By;
 
-import org.junit.Ignore;
 import org.junit.Test;
 
-@Ignore
 public class ScreenStackTest extends BaseTest {
 
 	@Test