Fix booting problem on GSI with user build

GSI doesn't include gsi_system.prop on user build, and cause some
devices cannot boot GSI with user build. Some properies in
gsi_system.prop do not suitable for user build, the patch create
a new gsi_system_user.prop for GSI user build.

Bug: 124479721
Test: boot aosp_arm64-user on a blueline device.
Change-Id: Ide2bdc8e8733817afb832b50b28807768e22f011