Updated SDK scons files to handle new gyp file format in ppapi
Updated SDK scons files to handle new gyp file format in ppapi

Tested by comparing output of ./scons -n extra_sdk_update_header both before and after.

BUG=None
TEST=None


Review URL: http://codereview.chromium.org/8785002

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@112832 0039d316-1c4b-4281-b951-d872f2087c98

adobe/chromium,ropik/chromium,yitian134/chromium,ropik/chromium,gavinp/chromium,ropik/chromium,yitian134/chromium,yitian134/chromium,yitian134/chromium,yitian134/chromium,ropik/chromium,adobe/chromium,adobe/chromium,ropik/chromium,gavinp/chromium,ropik/chromium,gavinp/chromium,yitian134/chromium,gavinp/chromium,gavinp/chromium,yitian134/chromium,ropik/chromium,yitian134/chromium,gavinp/chromium,yitian134/chromium,adobe/chromium,adobe/chromium,ropik/chromium,yitian134/chromium,adobe/chromium,adobe/chromium,gavinp/chromium,gavinp/chromium,gavinp/chromium,adobe/chromium,adobe/chromium,ropik/chromium,adobe/chromium,gavinp/chromium,adobe/chromium