Build fixes for latest Chromium gardening

Two repositories have been rolled into a third:
chromecast/internal/mirroring and chromecast/internal/update_engine are
now just part of chromecast/internal rather than being separate repos.

Change-Id: I0f8067ba20fff8a0cf4679a9c8e4950ceab9384c
1 file changed
tree: c7b90cc6ff101bf8dc2ee0ab27f7eabf763877ef
  1. default.xml
  2. default_unrestricted.xml