Use correct version of python

Change-Id: I6862a8223f9ac6e377e7b9953c9eb59a64694275
Merge commit '601f274' into android-4.4_tst

Conflicts:
	tools/generate-operator-out.py

Change-Id: I107f7de71b85b5f35cd2602b7c4f815fabbf10b0