Use the new libincfs APIs to preallocate space for all files created via the public makeFile() API. This way we ensure the device won't run out of space much later Bug: 182185202 Test: atest libincfs-test PackageManagerShellCommandTest \ PackageManagerShellCommandIncrementalTest \ IncrementalServiceTest Change-Id: I70af97949b29ff5db63201b0e3487fe026e23160