Revert "Revert "skia: Rename perf flag"" ...USE: http://gerrit.vanir.co:8080/#/c/671/
Revert "Revert "skia: Rename perf flag"" ...USE:
http://gerrit.vanir.co:8080/#/c/671/

This reverts commit df8a50c17b44cf3f249f5d555d2a60b8eab997ce.

Change-Id: Ibb96852bd82697812d30599167c3214d28ac3244

VanirAOSP/external_skia,VanirAOSP/external_skia,VanirAOSP/external_skia,VanirAOSP/external_skia,VanirAOSP/external_skia