Give UiModeMangerTest permission to change UiMode

Bug: 182832208
Test: UiModeManagerTest
Change-Id: I42b25b9d022816d031204720384132244a21523d
diff --git a/tests/app/src/android/app/cts/UiModeManagerTest.java b/tests/app/src/android/app/cts/UiModeManagerTest.java
index 979df70..6dd4063 100644
--- a/tests/app/src/android/app/cts/UiModeManagerTest.java
+++ b/tests/app/src/android/app/cts/UiModeManagerTest.java
@@ -663,6 +663,7 @@
 
     private void applyCommand(String command) {
         final UiAutomation uiAutomation = getInstrumentation().getUiAutomation();
+        uiAutomation.adoptShellPermissionIdentity(Manifest.permission.INTERACT_ACROSS_USERS_FULL);
         try (ParcelFileDescriptor fd = uiAutomation.executeShellCommand(command)) {
             Assert.assertNotNull("Failed to execute shell command: " + command, fd);
             // Wait for the command to finish by reading until EOF