remove duplicate assign of fLastGlyphID

src/fonts/SkTestScalerContext.cpp

Index: src/fonts/SkTestScalerContext.cpp
diff --git a/src/fonts/SkTestScalerContext.cpp b/src/fonts/SkTestScalerContext.cpp
index 194cd0907c21aeb48b157bd00e5bc7a665bad66b..28b53b3a15e2445485140f4ad8f280e3381dd33d 100644
--- a/src/fonts/SkTestScalerContext.cpp
+++ b/src/fonts/SkTestScalerContext.cpp
@@ -148,9 +148,8 @@ SkAdvancedTypefaceMetrics* SkTestTypeface::onGetAdvancedTypefaceMetrics(
     info->fFontName.set(fTestFont->fName);
     info->fType = SkAdvancedTypefaceMetrics::kOther_Font;
     info->fFlags = SkAdvancedTypefaceMetrics::kEmpty_FontFlag;
-    info->fLastGlyphID = static_cast<uint16_t>(fTestFont->fCharCodesCount - 1);
-    info->fEmSize = 0;
     info->fLastGlyphID = SkToU16(onCountGlyphs() - 1);
+    info->fEmSize = 0;
     info->fStyle = 0;
     info->fItalicAngle = 0;
     info->fAscent = 0;