Revert "Enable -Werror for vr/hardware_composer service"

This reverts commit 1a95e60b77036f3256ff1b350f3cd7bfa6e271fa.

Reason for revert: Breaks aosp_x86-eng build

Change-Id: Ib2a0d835e12023991a6cae429c1fa76d61fa3090
1 file changed