Add debuggerd_test to GWP-ASan test mapping. am: 696c409cc6

Original change: https://android-review.googlesource.com/c/platform/external/gwp_asan/+/1624570

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ib810f4ab9e819e0bd712279e973408a8b314d08f