Rename finishOpList to finishFlush and call it less frequently

It is expected that this will fix the Vulkan perf regression associated with splitting up the opLists

Change-Id: I1bbb6f71745bb08d4a8c2f7810e5ab84cca75e84
Reviewed-on: https://skia-review.googlesource.com/16901
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
diff --git a/src/gpu/vk/GrVkGpu.cpp b/src/gpu/vk/GrVkGpu.cpp
index 107e46a..48e2e69 100644
--- a/src/gpu/vk/GrVkGpu.cpp
+++ b/src/gpu/vk/GrVkGpu.cpp
@@ -1417,7 +1417,7 @@
                                        barrier);
 }
 
-void GrVkGpu::finishOpList() {
+void GrVkGpu::finishFlush() {
     // Submit the current command buffer to the Queue
     this->submitCommandBuffer(kSkip_SyncQueue);
 }