Make cornerSize a private field

PiperOrigin-RevId: 266924741

Author: cketcham

lib/java/com/google/android/material/shape/CornerTreatment.java

@@ -36,7 +36,7 @@ public class CornerTreatment {
 
   private static final String TAG = "CornerTreatment";
 
-  protected final float cornerSize;
+  private final float cornerSize;
 
   public CornerTreatment() {
     // Default Constructor has no size. Using this treatment for all corners will draw a square

lib/java/com/google/android/material/shape/CutCornerTreatment.java

@@ -37,12 +37,12 @@ public CutCornerTreatment(float size) {
 
   @Override
   public void getCornerPath(float angle, float interpolation, @NonNull ShapePath shapePath) {
-    shapePath.reset(0, cornerSize * interpolation, ShapePath.ANGLE_LEFT, 180 - angle);
+    shapePath.reset(0, getCornerSize() * interpolation, ShapePath.ANGLE_LEFT, 180 - angle);
     shapePath.lineTo(
-        (float) (Math.sin(Math.toRadians(angle)) * cornerSize * interpolation),
+        (float) (Math.sin(Math.toRadians(angle)) * getCornerSize() * interpolation),
         // Something about using cos() is causing rounding which prevents the path from being convex
         // on api levels 21 and 22. Using sin() with 90 - angle is helping for now.
-        (float) (Math.sin(Math.toRadians(90 - angle)) * cornerSize * interpolation));
+        (float) (Math.sin(Math.toRadians(90 - angle)) * getCornerSize() * interpolation));
   }
 
   @NonNull

lib/java/com/google/android/material/shape/RoundedCornerTreatment.java

@@ -33,7 +33,7 @@ public RoundedCornerTreatment(float radius) {
 
   @Override
   public void getCornerPath(float angle, float interpolation, @NonNull ShapePath shapePath) {
-    float radius = cornerSize;
+    float radius = getCornerSize();
     shapePath.reset(0, radius * interpolation, ShapePath.ANGLE_LEFT, 180 - angle);
     shapePath.addArc(0, 0, 2 * radius * interpolation, 2 * radius * interpolation, 180, angle);
   }