remove align16 calls in skhader context sizes. will handle this elsewhere as needed

src/core/SkLightingShader.cpp

Index: src/core/SkLightingShader.cpp
diff --git a/src/core/SkLightingShader.cpp b/src/core/SkLightingShader.cpp
index 2b43e500d78c86ba7663ba747a58ebf0d940fc9c..02f75f351656e49fb20bada69a98a7acbc49ad76 100644
--- a/src/core/SkLightingShader.cpp
+++ b/src/core/SkLightingShader.cpp
@@ -651,7 +651,7 @@ bool SkLightingShaderImpl::computeNormTotalInverse(const ContextRec& rec,
 }
 
 size_t SkLightingShaderImpl::onContextSize(const ContextRec&) const {
-    return SkAlign16(2 * sizeof(SkBitmapProcState) + sizeof(LightingShaderContext));
+    return 2 * sizeof(SkBitmapProcState) + sizeof(LightingShaderContext);
 }
 
 SkShader::Context* SkLightingShaderImpl::onCreateContext(const ContextRec& rec,