Rename InstallUpdateCallback

Test: app now builds
Change-Id: Iaa26aab0ce06cec4030b4ffe9dc941c07fbcbb9c

Author: Alex Kershaw

app/src/main/java/com/afwsamples/testdpc/policy/PolicyManagementFragment.java

@@ -33,7 +33,7 @@
 import android.app.Fragment;
 import android.app.FragmentManager;
 import android.app.admin.DevicePolicyManager;
-import android.app.admin.DevicePolicyManager.InstallUpdateCallback;
+import android.app.admin.DevicePolicyManager.InstallSystemUpdateCallback;
 import android.app.admin.SystemUpdateInfo;
 import android.content.ComponentName;
 import android.content.ContentResolver;
@@ -1095,7 +1095,7 @@ private void installUpdate() {
                 mAdminComponentName,
                 uri,
                 new MainThreadExecutor(),
-                new InstallUpdateCallback() {
+                new InstallSystemUpdateCallback() {
                   @Override
                   public void onInstallUpdateError(int errorCode, String errorMessage) {
                       showToast("Error code: " + errorCode);