copybit: Enable HAL_PIXEL_FORMAT_RGB_888 support in c2d

Enable HAL_PIXEL_FORMAT_RGB_888 pixel format support in c2d library.

Change-Id: I2316357adb3fef8007bdab4791c94e53d12fa00f
diff --git a/libcopybit/copybit_c2d.cpp b/libcopybit/copybit_c2d.cpp
index 852b8c0..e172770 100644
--- a/libcopybit/copybit_c2d.cpp
+++ b/libcopybit/copybit_c2d.cpp
@@ -259,6 +259,7 @@
 static int get_format(int format) {
     switch (format) {
         case HAL_PIXEL_FORMAT_RGB_565:        return C2D_COLOR_FORMAT_565_RGB;
+        case HAL_PIXEL_FORMAT_RGB_888:        return C2D_COLOR_FORMAT_888_RGB;
         case HAL_PIXEL_FORMAT_RGBX_8888:      return C2D_COLOR_FORMAT_8888_ARGB |
                                               C2D_FORMAT_SWAP_RB |
                                                   C2D_FORMAT_DISABLE_ALPHA;
@@ -317,6 +318,9 @@
         case C2D_COLOR_FORMAT_8888_ARGB:
             c2dBpp = 32;
             break;
+        case C2D_COLOR_FORMAT_888_RGB:
+            c2dBpp = 24;
+            break;
         case C2D_COLOR_FORMAT_8_L:
         case C2D_COLOR_FORMAT_8_A:
             c2dBpp = 8;
@@ -398,6 +402,7 @@
     switch(format) {
         case HAL_PIXEL_FORMAT_RGBA_8888:
         case HAL_PIXEL_FORMAT_RGBX_8888:
+        case HAL_PIXEL_FORMAT_RGB_888:
         case HAL_PIXEL_FORMAT_RGB_565:
         case HAL_PIXEL_FORMAT_BGRA_8888: {
             return COPYBIT_SUCCESS;