[llvm-lipo] Pass ArrayRef by value.
[llvm-lipo] Pass ArrayRef by value.

Pass ArrayRef by value, fix formatting. NFC.

Test plan: make check-all


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@374637 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm