Preset usm-initialize service must be initially disabled.
The new service is introduced in [1].
[1]: https://review.opendev.org/c/starlingx/update/+/925421
Test Plan:
PASS: verify the usm-initialize service is set to disabled
after host installation
Depends-on: https://review.opendev.org/c/starlingx/update/+/925421
Story: 2010676
Task: 50710
Change-Id: I927c23d4ab2c056f3ea969d7ecf515a8c8ede88f
Signed-off-by: Bin Qian <Bin.Qian@windriver.com>