Add support to toggle different shader
behaviors

Updated HWUI to toggle overscroll stretch
implementation based on whether the
device supports high end graphics
or not

Bug: 187718492
Test: manual
Change-Id: I13a91a8861c07bec8af43268ba22d0f5b7060b4f
diff --git a/libs/hwui/pipeline/skia/RenderNodeDrawable.cpp b/libs/hwui/pipeline/skia/RenderNodeDrawable.cpp
index 1c5515c7d..c8247e7 100644
--- a/libs/hwui/pipeline/skia/RenderNodeDrawable.cpp
+++ b/libs/hwui/pipeline/skia/RenderNodeDrawable.cpp
@@ -248,7 +248,7 @@
 
             const StretchEffect& stretch = properties.layerProperties().getStretchEffect();
             if (stretch.isEmpty() ||
-                Properties::stretchEffectBehavior == StretchEffectBehavior::UniformScale) {
+                Properties::getStretchEffectBehavior() == StretchEffectBehavior::UniformScale) {
                 // If we don't have any stretch effects, issue the filtered
                 // canvas draw calls to make sure we still punch a hole
                 // with the same canvas transformation + clip into the target
@@ -327,7 +327,7 @@
             canvas->concat(*properties.getTransformMatrix());
         }
     }
-    if (Properties::stretchEffectBehavior == StretchEffectBehavior::UniformScale) {
+    if (Properties::getStretchEffectBehavior() == StretchEffectBehavior::UniformScale) {
         const StretchEffect& stretch = properties.layerProperties().getStretchEffect();
         if (!stretch.isEmpty()) {
             canvas->concat(