[TestQuoting] Use the fully qualified path for remote platforms.

Patch by Jason Molenda, fixes a test failure on arm64 devices.

Author: Davide Italiano

lldb/packages/Python/lldbsuite/test/commands/settings/quoting/TestQuoting.py

@@ -74,7 +74,7 @@ def do_test_args(self, args_in, args_out):
 
         local_outfile = self.getBuildArtifact("output.txt")
         if lldb.remote_platform:
-            remote_outfile = "output.txt" # Relative to platform's PWD
+            remote_outfile = lldb.remote_platform.GetWorkingDirectory() + "/output.txt"
         else:
             remote_outfile = local_outfile