Remove all non-porterduff xfermodes from the public API.

bug: 14650725
Change-Id: Ifb38485d172547e54b06f73e751d703b340096d3
diff --git a/api/24.txt b/api/24.txt
index e181dbb..52c89d3 100644
--- a/api/24.txt
+++ b/api/24.txt
@@ -10952,17 +10952,6 @@
 
 package android.graphics {
 
-  public deprecated class AvoidXfermode extends android.graphics.Xfermode {
-    ctor public AvoidXfermode(int, int, android.graphics.AvoidXfermode.Mode);
-  }
-
-  public static final class AvoidXfermode.Mode extends java.lang.Enum {
-    method public static android.graphics.AvoidXfermode.Mode valueOf(java.lang.String);
-    method public static final android.graphics.AvoidXfermode.Mode[] values();
-    enum_constant public static final android.graphics.AvoidXfermode.Mode AVOID;
-    enum_constant public static final android.graphics.AvoidXfermode.Mode TARGET;
-  }
-
   public final class Bitmap implements android.os.Parcelable {
     method public boolean compress(android.graphics.Bitmap.CompressFormat, int, java.io.OutputStream);
     method public android.graphics.Bitmap copy(android.graphics.Bitmap.Config, boolean);
@@ -11823,10 +11812,6 @@
     field public int bytesPerPixel;
   }
 
-  public deprecated class PixelXorXfermode extends android.graphics.Xfermode {
-    ctor public PixelXorXfermode(int);
-  }
-
   public class Point implements android.os.Parcelable {
     ctor public Point();
     ctor public Point(int, int);
diff --git a/system-api/24.txt b/system-api/24.txt
index cccbbac..8d9839e 100644
--- a/system-api/24.txt
+++ b/system-api/24.txt
@@ -11264,17 +11264,6 @@
 
 package android.graphics {
 
-  public deprecated class AvoidXfermode extends android.graphics.Xfermode {
-    ctor public AvoidXfermode(int, int, android.graphics.AvoidXfermode.Mode);
-  }
-
-  public static final class AvoidXfermode.Mode extends java.lang.Enum {
-    method public static android.graphics.AvoidXfermode.Mode valueOf(java.lang.String);
-    method public static final android.graphics.AvoidXfermode.Mode[] values();
-    enum_constant public static final android.graphics.AvoidXfermode.Mode AVOID;
-    enum_constant public static final android.graphics.AvoidXfermode.Mode TARGET;
-  }
-
   public final class Bitmap implements android.os.Parcelable {
     method public boolean compress(android.graphics.Bitmap.CompressFormat, int, java.io.OutputStream);
     method public android.graphics.Bitmap copy(android.graphics.Bitmap.Config, boolean);
@@ -12135,10 +12124,6 @@
     field public int bytesPerPixel;
   }
 
-  public deprecated class PixelXorXfermode extends android.graphics.Xfermode {
-    ctor public PixelXorXfermode(int);
-  }
-
   public class Point implements android.os.Parcelable {
     ctor public Point();
     ctor public Point(int, int);