Turned on SkSL->GLSL compiler

src/sksl/sksl.include

Index: src/sksl/sksl.include
diff --git a/src/sksl/sksl.include b/src/sksl/sksl.include
index 4fd5511ee3f6799e37ed6a4ec623e8c092177d1b..6dc1ff8cf2a2a550177856883427bd565ed9372a 100644
--- a/src/sksl/sksl.include
+++ b/src/sksl/sksl.include
@@ -244,6 +244,8 @@ int textureQueryLevels(samplerCubeArrayShadow sampler);
 $gvec4 texture($gsampler1D sampler, float P);
 $gvec4 texture($gsampler1D sampler, float P, float bias);
 $gvec4 texture($gsampler2D sampler, vec2 P);
+vec4 texture(samplerExternalOES sampler, vec2 P, float bias);
+vec4 texture(samplerExternalOES sampler, vec2 P);
 $gvec4 texture($gsampler2D sampler, vec2 P, float bias);
 $gvec4 texture($gsampler3D sampler, vec3 P);
 $gvec4 texture($gsampler3D sampler, vec3 P, float bias);
@@ -464,6 +466,7 @@ vec4 texture1DLod(sampler1D sampler, float coord, float lod);
 vec4 texture1DProjLod(sampler1D sampler, vec2 coord, float lod);
 vec4 texture1DProjLod(sampler1D sampler, vec4 coord, float lod);
 vec4 texture2D(sampler2D sampler, vec2 coord);
+vec4 texture2D(samplerExternalOES sampler, vec2 coord);
 vec4 texture2D(sampler2D sampler, vec2 coord, float bias);
 vec4 texture2DProj(sampler2D sampler, vec3 coord);
 vec4 texture2DProj(sampler2D sampler, vec3 coord, float bias);