Hide SAWs while LogAccessDialogActivity is visbile

Bug: 244155265
Test: Manually verified that SAWs can no longer be displayed on top of
the dialog

Change-Id: If46dd52b4717dfe433e256394311b097b19d6f6e

services/core/java/com/android/server/logcat/LogAccessDialogActivity.java

@@ -96,6 +96,7 @@ public class LogAccessDialogActivity extends Activity implements
 
         // show Alert
         mAlert = mAlertDialog.create();
+        mAlert.getWindow().setHideOverlayWindows(true);
         mAlert.show();
 
         // set Alert Timeout