Add a util class that builds cmdline arguments. This class is added to libarttools because it can potentially be shared with other code, such as odrefresh. (cherry picked from commit b609131aaed1001893a1b4ae974d6bbdf35de0ed) Bug: 229268202 Test: m test-art-host-gtest-art_libarttools_tests Change-Id: I123c73728086d115f6882196e3dc38ca5c74d8ab Merged-In: I123c73728086d115f6882196e3dc38ca5c74d8ab