Start using skgpu::v1 and skgpu::v2 namespaces

Bug: skia:11837
Change-Id: I042775dae34c99c20048d6d70aa6f06b2a6a268b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/424117
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/src/gpu/GrProcessorUnitTest.cpp b/src/gpu/GrProcessorUnitTest.cpp
index b4c673f..bf7ddd1 100644
--- a/src/gpu/GrProcessorUnitTest.cpp
+++ b/src/gpu/GrProcessorUnitTest.cpp
@@ -12,6 +12,7 @@
 #include "include/gpu/GrRecordingContext.h"
 #include "src/gpu/GrFragmentProcessor.h"
 #include "src/gpu/GrRecordingContextPriv.h"
+#include "src/gpu/GrSurfaceProxyView.h"
 
 #if GR_TEST_UTILS