Clean up skipped deqp khr gles3 tests on Pixel 6 Remove deqp khr gles3 test suppression on Pixel 6 that are no longer failing. Restrict the suppression of below tests on Pixel4 Vulkan KHR-GLES3.packed_depth_stencil.clear_buffer.depth32f_stencil8 Restrict the suppression of below tests on NVIDIA Vulkan and Android Vulkan KHR-GLES3.packed_pixels.varied_rectangle.* Restrict the suppression of below tests on NVIDIA Vulkan and Android Vulkan KHR-GLES3.packed_pixels.pbo_rectangle.r8_snorm KHR-GLES3.packed_pixels.pbo_rectangle.rg8_snorm KHR-GLES3.packed_pixels.pbo_rectangle.rgba8_snorm KHR-GLES3.packed_pixels.rectangle.r8_snorm KHR-GLES3.packed_pixels.rectangle.rg8_snorm KHR-GLES3.packed_pixels.rectangle.rgba8_snorm Bug: angleproject:3683 Bug: angleproject:6678 Bug: angleproject:8048 Bug: b/224537784 Change-Id: Id24591e3bc21fa263fa64d3bd812d82209b8c5fd Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4606542 Reviewed-by: Roman Lavrov <romanl@google.com> Commit-Queue: Yuxin Hu <yuxinhu@google.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>