Revert "Remove (unused) gpuType from SkRuntimeEffect::Uniform"

This reverts commit cc80a475662e573df8a4b625cd2a4f15ff4d31c2.

Reason for revert:  IWYU cleanup broke less IWYU-clean Android,

frameworks/native/libs/renderengine/skia/filters/BlurFilter.cpp:180:17: error: variable has incomplete type 'SkRRect'
        SkRRect roundedRect;
                ^
external/skia/include/core/SkCanvas.h:58:7: note: forward declaration of 'SkRRect'
class SkRRect;


Original change's description:
> Remove (unused) gpuType from SkRuntimeEffect::Uniform
>
> Also remove some unnecessary includes, then IWYU.
>
> Change-Id: I41e88f0e661c59e75cb26e28768801b811fe8ee8
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/371140
> Commit-Queue: Brian Osman <brianosman@google.com>
> Reviewed-by: John Stiles <johnstiles@google.com>
> Reviewed-by: Brian Salomon <bsalomon@google.com>

TBR=bsalomon@google.com,brianosman@google.com,johnstiles@google.com

Change-Id: Id655a6835ebffdb4f5f82474c287c09a69a737df
No-Tree-Checks: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/371941
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
3 files changed