remove libui's dependency on libpixelflinger

this also remove support for unused pixelformats.

Change-Id: I2c759a6d2daa740f3786ed62095def8047ae933d
diff --git a/include/ui/PixelFormat.h b/include/ui/PixelFormat.h
index 848c5a1..fc260c4 100644
--- a/include/ui/PixelFormat.h
+++ b/include/ui/PixelFormat.h
@@ -21,7 +21,6 @@
 // skia or SurfaceFlinger are not required to support all of these formats
 // (either as source or destination)
 
-// XXX: we should consolidate these formats and skia's
 
 #ifndef UI_PIXELFORMAT_H
 #define UI_PIXELFORMAT_H
@@ -29,7 +28,6 @@
 #include <stdint.h>
 #include <sys/types.h>
 #include <utils/Errors.h>
-#include <pixelflinger/format.h>
 #include <hardware/hardware.h>
 
 namespace android {
@@ -65,10 +63,7 @@
     PIXEL_FORMAT_BGRA_8888   = HAL_PIXEL_FORMAT_BGRA_8888,  // 4x8-bit BGRA
     PIXEL_FORMAT_RGBA_5551   = HAL_PIXEL_FORMAT_RGBA_5551,  // 16-bit ARGB
     PIXEL_FORMAT_RGBA_4444   = HAL_PIXEL_FORMAT_RGBA_4444,  // 16-bit ARGB
-    PIXEL_FORMAT_A_8         = GGL_PIXEL_FORMAT_A_8,        // 8-bit A
-    PIXEL_FORMAT_L_8         = GGL_PIXEL_FORMAT_L_8,        // 8-bit L (R=G=B=L)
-    PIXEL_FORMAT_LA_88       = GGL_PIXEL_FORMAT_LA_88,      // 16-bit LA
-    PIXEL_FORMAT_RGB_332     = GGL_PIXEL_FORMAT_RGB_332,    // 8-bit RGB
+    PIXEL_FORMAT_A_8         = 8,                           // 8-bit A
 
     // New formats can be added if they're also defined in
     // pixelflinger/format.h
@@ -76,8 +71,7 @@
 
 typedef int32_t PixelFormat;
 
-struct PixelFormatInfo
-{
+struct PixelFormatInfo {
     enum {
         INDEX_ALPHA   = 0,
         INDEX_RED     = 1,
@@ -89,8 +83,6 @@
         ALPHA               = 1,
         RGB                 = 2,
         RGBA                = 3,
-        LUMINANCE           = 4,
-        LUMINANCE_ALPHA     = 5,
         OTHER               = 0xFF
     };