Style bikeshed - remove extraneous whitespace

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1842753002

Review URL: https://codereview.chromium.org/1842753002
diff --git a/tests/RecordReplaceDrawTest.cpp b/tests/RecordReplaceDrawTest.cpp
index 73c6647..fe11106 100644
--- a/tests/RecordReplaceDrawTest.cpp
+++ b/tests/RecordReplaceDrawTest.cpp
@@ -137,7 +137,7 @@
     if (doReplace) {
         REPORTER_ASSERT(r, 0 == numLayers);
     } else {
-        REPORTER_ASSERT(r, 1 == numLayers);    
+        REPORTER_ASSERT(r, 1 == numLayers);
     }
 }