Update GLSL expectations.

Bug: tint:1358
Change-Id: I161bc350d7c16cbe690c39a2ccda344a2535670c
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/75660
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>

test/access/var/matrix.spvasm.expected.glsl

@@ -2,7 +2,7 @@
 precision mediump float;
 
 void main_1() {
-  mat3 m = mat3(vec3(0.0f, 0.0f, 0.0f), vec3(0.0f, 0.0f, 0.0f), vec3(0.0f, 0.0f, 0.0f));
+  mat3 m = mat3(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
   vec3 x_15 = m[1];
   float x_16 = x_15.y;
   return;

test/ptr_ref/access/matrix.spvasm.expected.glsl

@@ -2,7 +2,7 @@
 precision mediump float;
 
 void main_1() {
-  mat3 m = mat3(vec3(0.0f, 0.0f, 0.0f), vec3(0.0f, 0.0f, 0.0f), vec3(0.0f, 0.0f, 0.0f));
+  mat3 m = mat3(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
   m = mat3(vec3(1.0f, 2.0f, 3.0f), vec3(4.0f, 5.0f, 6.0f), vec3(7.0f, 8.0f, 9.0f));
   m[1] = vec3(5.0f, 5.0f, 5.0f);
   return;

test/samples/triangle.wgsl.expected.glsl

@@ -1,6 +1,8 @@
 #version 310 es
 precision mediump float;
 
+const vec2 pos[3] = vec2[3](vec2(0.0f, 0.5f), vec2(-0.5f, -0.5f), vec2(0.5f, -0.5f));
+
 struct tint_symbol_1 {
   uint VertexIndex;
 };
@@ -9,7 +11,6 @@ struct tint_symbol_2 {
 };
 
 vec4 vtx_main_inner(uint VertexIndex) {
-  vec2 pos[3] = vec2[3](vec2(0.0f, 0.5f), vec2(-0.5f, -0.5f), vec2(0.5f, -0.5f));
   return vec4(pos[VertexIndex], 0.0f, 1.0f);
 }