8283701: Add final or sealed modifier to appropriate java.awt.color I…

…CC_Profile API classes

Reviewed-by: bpb, aivanov, serb

src/java.desktop/share/classes/java/awt/color/ICC_Profile.java

@@ -83,7 +83,9 @@
  *
  * @see ICC_ColorSpace
  */
-public class ICC_Profile implements Serializable {
+public sealed class ICC_Profile implements Serializable
+    permits ICC_ProfileGray,
+            ICC_ProfileRGB {
 
     /**
      * Use serialVersionUID from JDK 1.2 for interoperability.

src/java.desktop/share/classes/java/awt/color/ICC_ProfileGray.java

@@ -65,7 +65,7 @@
  * The inverse transform is done by converting the PCS Y components to device
  * Gray via the inverse of the grayTRC.
  */
-public class ICC_ProfileGray extends ICC_Profile {
+public final class ICC_ProfileGray extends ICC_Profile {
 
     /**
      * Use serialVersionUID from JDK 1.2 for interoperability.

src/java.desktop/share/classes/java/awt/color/ICC_ProfileRGB.java

@@ -80,7 +80,7 @@
  * RGB components through the inverse of the above 3x3 matrix, and then
  * converting linear RGB to device RGB through inverses of the TRCs.
  */
-public class ICC_ProfileRGB extends ICC_Profile {
+public final class ICC_ProfileRGB extends ICC_Profile {
 
     /**
      * Use serialVersionUID from JDK 1.2 for interoperability.