[Infer][capture] Fixing Python AttributeError in javac capture

Summary: @public JavacCapture does not have an args field, which crashes Python with an AttributeError if we hit self.args.debug. Replaced with the correct expression.

Test Plan: Cause AttributeError with small test case, error no longer happens after fix

infer/lib/capture/javac.py

@@ -30,6 +30,6 @@ class JavacCapture:
             self.analysis.start()
             return os.EX_OK
         except subprocess.CalledProcessError as exc:
-            if self.args.debug:
+            if self.analysis.args.debug:
                 traceback.print_exc()
             return exc.returncode