fix initialization order

Broke the linux build
with incorrectly ordered
construction initialization.

TBR=reed@google.com
BUG=skia:

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2926

Change-Id: I2555616b945021cf119122811db0cfaf999834a0
Reviewed-on: https://skia-review.googlesource.com/2926
Reviewed-by: Cary Clark <caryclark@google.com>
diff --git a/tests/skia_test.cpp b/tests/skia_test.cpp
index 6f02b0b..a1c3c23 100644
--- a/tests/skia_test.cpp
+++ b/tests/skia_test.cpp
@@ -86,7 +86,7 @@
   void operator()() {
       struct TestReporter : public skiatest::Reporter {
       public:
-          TestReporter() : fError(false), fTestCount(0), fStats(nullptr) {}
+          TestReporter() : fStats(nullptr), fError(false), fTestCount(0) {}
           void bumpTestCount() override { ++fTestCount; }
           bool allowExtendedTest() const override {
               return FLAGS_extendedTest;