Suppress IndexOutOfBoundsException when cancelling low light animation

This is a temporary fix for udc-dev to prevent a SysUI crash.

Bug: 285666217
Test: manually confirmed on device that cancelling the animation does not cause a crah
Change-Id: I5a05b174eced7db0b79260f95e4646f961417d9c
diff --git a/libs/dream/lowlight/src/com/android/dream/lowlight/LowLightTransitionCoordinator.kt b/libs/dream/lowlight/src/com/android/dream/lowlight/LowLightTransitionCoordinator.kt
index 26efb55..4736030 100644
--- a/libs/dream/lowlight/src/com/android/dream/lowlight/LowLightTransitionCoordinator.kt
+++ b/libs/dream/lowlight/src/com/android/dream/lowlight/LowLightTransitionCoordinator.kt
@@ -111,8 +111,14 @@
             }
             animator.addListener(listener)
             continuation.invokeOnCancellation {
-                animator.removeListener(listener)
-                animator.cancel()
+                try {
+                    animator.removeListener(listener)
+                    animator.cancel()
+                } catch (exception: IndexOutOfBoundsException) {
+                    // TODO(b/285666217): remove this try/catch once a proper fix is implemented.
+                    // Cancelling the animator can cause an exception since we may be removing a
+                    // listener during the cancellation. See b/285666217 for more details.
+                }
             }
         }
 }