Package META/system_other_filesystem_config.txt

The build rule will be created in `GenerateAndroidBuildActions` of
systemOtherImage module and will be provided to android_device via a
provider.

system/ will be used as prefix in fsConfigRule to match make behavior

Test: Verified that the file is identical between make and soong
Bug: 388633394
Change-Id: I7a09fcd3a961c3977165ad12e90869e1ad3e16fa