Add support for vertex and geometry shader textures

Adds a visibility bitfield to GrTextureAccess that controls in which
shaders the texture should be accessible. Also adds caps and
validation to ensure we don't exceed texture limits.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1782583002

Review URL: https://codereview.chromium.org/1782583002
diff --git a/src/gpu/vk/GrVkProgramBuilder.h b/src/gpu/vk/GrVkProgramBuilder.h
index 1d7bac6..83a7adf 100644
--- a/src/gpu/vk/GrVkProgramBuilder.h
+++ b/src/gpu/vk/GrVkProgramBuilder.h
@@ -45,9 +45,6 @@
 private:
     GrVkProgramBuilder(GrVkGpu*, const DrawArgs&);
 
-    void emitSamplers(const GrProcessor&,
-                      GrGLSLTextureSampler::TextureSamplerArray* outSamplers) override;
-
     GrVkProgram* finalize(const DrawArgs& args,
                           GrPrimitiveType primitiveType,
                           const GrVkRenderPass& renderPass);
@@ -71,4 +68,4 @@
     typedef GrGLSLProgramBuilder INHERITED;
 };
 
-#endif
\ No newline at end of file
+#endif