s/product-services/product_services/g

Attempting to reduce the number of different spellings we have for
"product services" partition in the codebase.

Bug: 112431447
Test: m
Change-Id: I1a87d7e040a8b1f91f973ac7d90d6360b5b54f71
Merged-In: I1a87d7e040a8b1f91f973ac7d90d6360b5b54f71
6 files changed