Fix assert accessing pipeline from initBatchTracker

src/gpu/batches/GrDrawBatch.cpp

Index: src/gpu/batches/GrDrawBatch.cpp
diff --git a/src/gpu/batches/GrDrawBatch.cpp b/src/gpu/batches/GrDrawBatch.cpp
index 4253923f335dc9c5736824db437111e7d309d1dc..b73f7515ecd6668d15d60c8045538afa1cf19055 100644
--- a/src/gpu/batches/GrDrawBatch.cpp
+++ b/src/gpu/batches/GrDrawBatch.cpp
@@ -29,7 +29,7 @@ bool GrDrawBatch::installPipeline(const GrPipeline::CreateArgs& args) {
     if (!GrPipeline::CreateAt(location, args, &overrides)) {
         return false;
     }
-    this->initBatchTracker(overrides);
     fPipelineInstalled = true;
+    this->initBatchTracker(overrides);
     return true;
 }