Skip export4K60 on Pixel 3

This device over-reports encoding capabilities, so skip the test.

This is a Pixel device that was upgraded to Android 12 (API 31/32) so the issue should only affect devices that didn't take OTAs.

PiperOrigin-RevId: 581981073

libraries/transformer/src/androidTest/java/androidx/media3/transformer/mh/ExportTest.java

@@ -148,6 +148,10 @@ public class ExportTest {
         /* outputFormat= */ null)) {
       return;
     }
+    // Reference: b/262710361
+    assumeFalse(
+        "Skip due to over-reported encoder capabilities",
+        Util.SDK_INT == 29 && Ascii.equalsIgnoreCase(Util.MODEL, "pixel 3"));
 
     Transformer transformer =
         new Transformer.Builder(context)