Import Android SDK Platform P [4386628]

/google/data/ro/projects/android/fetch_artifact \
    --bid 4386628 \
    --target sdk_phone_armv7-win_sdk \
    sdk-repo-linux-sources-4386628.zip

AndroidVersion.ApiLevel has been modified to appear as 28

Change-Id: I9b8400ac92116cae4f033d173f7a5682b26ccba9
diff --git a/android/arch/lifecycle/testapp/NavigationTestActivityFirst.java b/android/arch/lifecycle/testapp/NavigationTestActivityFirst.java
index f1847c9..69fd478 100644
--- a/android/arch/lifecycle/testapp/NavigationTestActivityFirst.java
+++ b/android/arch/lifecycle/testapp/NavigationTestActivityFirst.java
@@ -16,10 +16,10 @@
 
 package android.arch.lifecycle.testapp;
 
-import android.arch.lifecycle.LifecycleActivity;
+import android.support.v4.app.FragmentActivity;
 
 /**
  * Activity for ProcessOwnerTest
  */
-public class NavigationTestActivityFirst extends LifecycleActivity {
+public class NavigationTestActivityFirst extends FragmentActivity {
 }