Choose a less evil scale factor texel_subset_nearest_upscale decal tests
Choose a less evil scale factor texel_subset_nearest_upscale decal tests

The existing scale factor put the decal edge exactly on a pixel center
causing some jaggies as different row columns has slightly different
interpolated values and fell on different sides of the decal edge,

Change-Id: I396395f68366e3cfc3b0c0ce11466c43dd4e60ea
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/268306
Reviewed-by: Brian Salomon <61fabaaf0876044aeedfd8e351e485c028d69e7b@google.com>
Commit-Queue: Brian Salomon <61fabaaf0876044aeedfd8e351e485c028d69e7b@google.com>

aosp-mirror/platform_external_skia,google/skia,google/skia,google/skia,google/skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,google/skia,google/skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,google/skia,aosp-mirror/platform_external_skia,google/skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,google/skia,google/skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia