tree 60d363f1f9a31cc975d0648164d7d7c751f4dc72
parent 1c3ccea6ce322da3e88ba0dde12010d557dee9fd
author Yifan Hong <elsk@google.com> 1576782927 -0800
committer Yifan Hong <elsk@google.com> 1578430091 -0800

Add product matrix FCM levels.

Read all files in /product/etc/vintf and treat files the same way
we treat system matrix at each FCM level in /system/etc/vintf.

Bug: 140360109
Test: vintf_object_test

Change-Id: I0a74b7aa3001c4491f264f36bb2093cd97ac04bf