get rid of HAL pixelformats 5551 and 4444

Change-Id: I6a6c4c656d80280eb85f90f99f35721ffca285df
diff --git a/cmds/screencap/screencap.cpp b/cmds/screencap/screencap.cpp
index 921a175..a57de01 100644
--- a/cmds/screencap/screencap.cpp
+++ b/cmds/screencap/screencap.cpp
@@ -57,8 +57,6 @@
     switch (f) {
         case PIXEL_FORMAT_RGB_565:
             return SkBitmap::kRGB_565_Config;
-        case PIXEL_FORMAT_RGBA_4444:
-            return SkBitmap::kARGB_4444_Config;
         default:
             return SkBitmap::kARGB_8888_Config;
     }
diff --git a/core/jni/android_view_Surface.cpp b/core/jni/android_view_Surface.cpp
index 7e40d46..1007e7d 100644
--- a/core/jni/android_view_Surface.cpp
+++ b/core/jni/android_view_Surface.cpp
@@ -183,7 +183,6 @@
     switch (format) {
     case PIXEL_FORMAT_RGBX_8888:    return SkBitmap::kARGB_8888_Config;
     case PIXEL_FORMAT_RGBA_8888:    return SkBitmap::kARGB_8888_Config;
-    case PIXEL_FORMAT_RGBA_4444:    return SkBitmap::kARGB_4444_Config;
     case PIXEL_FORMAT_RGB_565:      return SkBitmap::kRGB_565_Config;
     default:                        return SkBitmap::kNo_Config;
     }
diff --git a/core/jni/android_view_SurfaceControl.cpp b/core/jni/android_view_SurfaceControl.cpp
index daf1aca..e5e3a2f 100644
--- a/core/jni/android_view_SurfaceControl.cpp
+++ b/core/jni/android_view_SurfaceControl.cpp
@@ -155,7 +155,6 @@
     switch (format) {
     case PIXEL_FORMAT_RGBX_8888:    return SkBitmap::kARGB_8888_Config;
     case PIXEL_FORMAT_RGBA_8888:    return SkBitmap::kARGB_8888_Config;
-    case PIXEL_FORMAT_RGBA_4444:    return SkBitmap::kARGB_4444_Config;
     case PIXEL_FORMAT_RGB_565:      return SkBitmap::kRGB_565_Config;
     default:                        return SkBitmap::kNo_Config;
     }