Move a bunch of gpu files out of include/private and into src/gpu.

In GrRecordingContext I moved the auditTrail onto the heap and only there
when compiling for tests. This allowed us to move a lot of files out of
include private.

Change-Id: Ib76ac211c0c6fd10bacaccf0c5f93f21a59f35d5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/221344
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Auto-Submit: Greg Daniel <egdaniel@google.com>
diff --git a/src/gpu/GrContext_Base.cpp b/src/gpu/GrContext_Base.cpp
index d462c9c..31e7ff1 100644
--- a/src/gpu/GrContext_Base.cpp
+++ b/src/gpu/GrContext_Base.cpp
@@ -7,9 +7,9 @@
 
 #include "include/private/GrContext_Base.h"
 
-#include "include/private/GrSkSLFPFactoryCache.h"
 #include "src/gpu/GrBaseContextPriv.h"
 #include "src/gpu/GrCaps.h"
+#include "src/gpu/GrSkSLFPFactoryCache.h"
 
 static int32_t next_id() {
     static std::atomic<int32_t> nextID{1};