Move GrBlockAllocator and GrTBlockList to src/core/

src/gpu/GrBlockAllocator -> src/core/SkBlockAllocator
src/gpu/GrTBlockList -> src/core/SkTBlockList

Tests and references also renamed.

Bug: skia:12330
Change-Id: I5fad05faa3dcecd89a0a478dcf30c090ea7589f5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/441477
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
diff --git a/gn/tests.gni b/gn/tests.gni
index 75c158d..42946ae 100644
--- a/gn/tests.gni
+++ b/gn/tests.gni
@@ -91,7 +91,6 @@
   "$_tests/GpuDrawPathTest.cpp",
   "$_tests/GpuRectanizerTest.cpp",
   "$_tests/GrAHardwareBufferTest.cpp",
-  "$_tests/GrBlockAllocatorTest.cpp",
   "$_tests/GrContextAbandonTest.cpp",
   "$_tests/GrContextFactoryTest.cpp",
   "$_tests/GrContextOOM.cpp",
@@ -107,7 +106,6 @@
   "$_tests/GrStyledShapeTest.cpp",
   "$_tests/GrSubmittedFlushTest.cpp",
   "$_tests/GrSurfaceTest.cpp",
-  "$_tests/GrTBlockListTest.cpp",
   "$_tests/GrTextBlobTest.cpp",
   "$_tests/GrTextureMipMapInvalidationTest.cpp",
   "$_tests/GrVxTest.cpp",
@@ -224,6 +222,7 @@
   "$_tests/ShaperTest.cpp",
   "$_tests/SizeTest.cpp",
   "$_tests/SkBase64Test.cpp",
+  "$_tests/SkBlockAllocatorTest.cpp",
   "$_tests/SkColor4fTest.cpp",
   "$_tests/SkColorSpaceXformStepsTest.cpp",
   "$_tests/SkDOMTest.cpp",
@@ -254,6 +253,7 @@
   "$_tests/SkSharedMutexTest.cpp",
   "$_tests/SkStrikeCacheTest.cpp",
   "$_tests/SkStringViewTest.cpp",
+  "$_tests/SkTBlockListTest.cpp",
   "$_tests/SkTOptionalTest.cpp",
   "$_tests/SkUTFTest.cpp",
   "$_tests/SkVMTest.cpp",