Add missing includes of SkBlendMode.h

It's being removed from SkPaint.h in https://skia-review.googlesource.com/c/skia/+/611077
and this was all the places I could find in frameworks/base.

We might need another CL for a few other Android repos.

Change-Id: I88d31166ed90356c4c52fbcde6bec6c1655b7cf2
diff --git a/libs/hwui/pipeline/skia/RenderNodeDrawable.h b/libs/hwui/pipeline/skia/RenderNodeDrawable.h
index 6c390c3..c7582e7 100644
--- a/libs/hwui/pipeline/skia/RenderNodeDrawable.h
+++ b/libs/hwui/pipeline/skia/RenderNodeDrawable.h
@@ -18,6 +18,7 @@
 
 #include "SkiaUtils.h"
 
+#include <SkBlendMode.h>
 #include <SkCanvas.h>
 #include <SkDrawable.h>
 #include <SkMatrix.h>
diff --git a/libs/hwui/pipeline/skia/StretchMask.cpp b/libs/hwui/pipeline/skia/StretchMask.cpp
index 2dbeb3a..b169c92 100644
--- a/libs/hwui/pipeline/skia/StretchMask.cpp
+++ b/libs/hwui/pipeline/skia/StretchMask.cpp
@@ -14,8 +14,10 @@
  * limitations under the License.
  */
 #include "StretchMask.h"
-#include "SkSurface.h"
+
+#include "SkBlendMode.h"
 #include "SkCanvas.h"
+#include "SkSurface.h"
 #include "TransformCanvas.h"
 #include "SkiaDisplayList.h"
 
diff --git a/libs/hwui/pipeline/skia/VkInteropFunctorDrawable.cpp b/libs/hwui/pipeline/skia/VkInteropFunctorDrawable.cpp
index 3c7617d..e168a7b 100644
--- a/libs/hwui/pipeline/skia/VkInteropFunctorDrawable.cpp
+++ b/libs/hwui/pipeline/skia/VkInteropFunctorDrawable.cpp
@@ -33,6 +33,8 @@
 #include "thread/ThreadBase.h"
 #include "utils/TimeUtils.h"
 
+#include <SkBlendMode.h>
+
 namespace android {
 namespace uirenderer {
 namespace skiapipeline {