jumper, replace _i with normal constants

So far I only seem to be encountering constant pools with float
constants, so integer constants should be easy to make normal.

This just removes _i.  There might be a couple integer constants
generated with C() too... they'll be the next CL.

CQ_INCLUDE_TRYBOTS=skia.primary:Test-Win7-MSVC-Golo-CPU-AVX-x86_64-Release,Test-Ubuntu-Clang-GCE-CPU-AVX2-x86_64-Release,Test-Ubuntu-Clang-GCE-CPU-AVX2-x86_64-Release-SK_CPU_LIMIT_SSE41,Test-Ubuntu-Clang-GCE-CPU-AVX2-x86_64-Release-SK_CPU_LIMIT_SSE2

Change-Id: Icc82cbc660d1e33bcdb5282072fb86cb5190d901
Reviewed-on: https://skia-review.googlesource.com/14527
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>
4 files changed