Update D8 R8 to 8.4.1-dev am: 3d98a1b04c am: 24a4ec9a13

Original change: https://android-review.googlesource.com/c/platform/prebuilts/r8/+/2869569

Change-Id: I0ec0d3dfe4c9a2d40da10a522862b9cf8cb327d9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>