Rename GrBackendTexture::fMipMapped -> fMipmapped

Also mipMapped params to GrBackendTexture functions to mipmapped
GrBackendTexture::hasMipMaps -> GrBackendTexture::hasMipmaps

Misc test vars fMipMapped -> fMipmapped

Change-Id: Ic0651d14fc106c21b0ab45529875b95ed8dc2dfd
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/304598
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
24 files changed