Disable testCheckSignaturesRotatedAgainstOriginal

Prebuilt test apks need to be rebuilt with proper target sdk. Disable the test until then.

Change-Id: I7fbdb45bdb73a52e2711ba68547ed682cc2951ad
BUG: 283797480
Test: n/a

services/tests/PackageManagerServiceTests/server/src/com/android/server/pm/PackageManagerTests.java

@@ -66,6 +66,7 @@ import android.system.StructStat;
 import android.test.AndroidTestCase;
 import android.util.Log;
 
+import androidx.test.filters.FlakyTest;
 import androidx.test.filters.LargeTest;
 import androidx.test.filters.SmallTest;
 import androidx.test.filters.Suppress;
@@ -2506,6 +2507,7 @@ public class PackageManagerTests extends AndroidTestCase {
     }
 
     @LargeTest
+    @FlakyTest(bugId = 283797480)
     public void testCheckSignaturesRotatedAgainstRotated() throws Exception {
         // checkSignatures should be successful when both apps have been signed with the same
         // rotated key since the initial signature comparison between the two apps should