Add debuggerd_test to GWP-ASan test mapping. am: 696c409cc6 am: 1ed7177ab9

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ia530e71bb822dad1886dff1cbe229c7213a4e708