ANDROID: Update init/do_mounts.dm.c to the latest ChromiumOS version.

Bug: 31796270
Test: Manually tested on x86_64.
Signed-off-by: David Zeuthen <zeuthen@google.com>
Patchset: init-dm

Change-Id: I3688001cf69a2c82bc417482e2a538c76abd3618
2 files changed