Added measurement type to key for SKP data
Added measurement type to key for SKP data

BUG=skia:
NOTRY=true
R=jcgregorio@google.com, bensong@google.com

Author: kelvinly@google.com

Review URL: https://codereview.chromium.org/326363003

Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,Tiger66639/skia-buildbot