stagefright: define mpeg2 HighP level constant am: 9e332babb9 am: e736deaad3
am: 9730aee854

* commit '9730aee854a9cb3b67bdb423c8a7082dda1cfe06':
  stagefright: define mpeg2 HighP level constant

Change-Id: I676558b9895065ec774abb70757f6eda2f88d68a