Strip the newline in build dir path from git

Author: shahmishal

project_future.py

@@ -102,7 +102,7 @@ def get_build_command(self, incremental=False):
         try:
             build_parent_dir = common.check_execute_output([
                 'git', '-C', os.path.dirname(self._project),
-                'rev-parse', '--show-toplevel'])
+                'rev-parse', '--show-toplevel']).rstrip()
         except common.ExecuteCommandFailure as error:
             build_parent_dir = os.path.dirname(self._project)