fix for skiaserve build error
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1651443002

TBR=jcgregorio@google.com

Review URL: https://codereview.chromium.org/1651443002
diff --git a/tools/json/SkJSONRenderer.cpp b/tools/json/SkJSONRenderer.cpp
index e84a1ed..a830fe0 100644
--- a/tools/json/SkJSONRenderer.cpp
+++ b/tools/json/SkJSONRenderer.cpp
@@ -197,6 +197,7 @@
             SkASSERT(false);
             textAlign = SkPaint::kLeft_Align;
         }
+        result->setTextAlign(textAlign);
     }
     if (jsonPaint.isMember(SKJSONCANVAS_ATTRIBUTE_TEXTSIZE)) {
         float textSize = jsonPaint[SKJSONCANVAS_ATTRIBUTE_TEXTSIZE].asFloat();