hg: lanai/lanai: 8233231: Implement PaintType : Texture Paint

[ajit.ghaisas at oracle.com]

Changeset: 39d212d66da1
Author:    aghaisas
Date:      2020-02-05 15:23 +0530
URL:       https://hg.openjdk.java.net/lanai/lanai/rev/39d212d66da1

8233231: Implement PaintType : Texture Paint
Modified shader to support all transformations of texture paint anchor rectangle.

! src/java.desktop/macosx/native/libawt_lwawt/awt/common.h
! src/java.desktop/macosx/native/libawt_lwawt/awt/shaders.metal
! src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/MTLPaints.m