Fix latency calculation am: acd545c4f0

Original change: https://googleplex-android-review.googlesource.com/c/device/generic/goldfish/+/19369529

Change-Id: I1ae2505e3a2ea8426c4b087e81ccaad70bcae706
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>