Use "main" branch of LUCI's CIPD package am: 5e50df5209 am: 25fe661838

Original change: https://android-review.googlesource.com/c/platform/art/+/2070987

Change-Id: Iad08ed4357468e3dbc06be380f74a4fa6125bf39
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>