Fix a bug in the releasetools common.py script.

The script was not breaking out of the loop when a handler was found, which could lead to multiple handlers being called for the same option.

This fixes the issue that a single option can be handled in two handlers.

Bug: 345402175
Test: sign_target_files_apks -k ..
Change-Id: I9f4ef801df99a4a0f2ba5be994b3f37fbedc22c0

tools/releasetools/common.py

@@ -2788,6 +2788,7 @@ def ParseOptions(argv,
             break
         elif handler(o, a):
           success = True
+          break
       if not success:
         raise ValueError("unknown option \"%s\"" % (o,))