Update desugar dependencies. am: a6a6d9b236 am: 3361232f86

Original change: https://android-review.googlesource.com/c/platform/external/desugar/+/2287853

Change-Id: Iba3b9e62d75c2c77268ba80cd0386a9cf4e5a469
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>