Big Font Mod and Roboto Fonts (XHDPI, HDPI, and MDPI)

- lets xhdpi devices (Galaxy Nexus, Xoom, etc) have a bigger font size (15x24)
- port Google's Roboto font into recovery for both XHDPI, HDPI, and MDPI font size, make them optional (LDPI is too small!)

(credits to gweedo767 for big font)

Change-Id: I621dbc7c8ac30a8f16039ce64720512e3e63881a
diff --git a/minui/graphics.c b/minui/graphics.c
index de1cfdf..d3473db 100644
--- a/minui/graphics.c
+++ b/minui/graphics.c
@@ -30,7 +30,28 @@
 
 #include <pixelflinger/pixelflinger.h>
 
-#include "font_10x18.h"
+#if defined(BOARD_XHDPI_RECOVERY)
+    #ifdef BOARD_USE_CUSTOM_FONT
+        #include "roboto_15x24.h"
+    #else
+        #include "font_10x18.h"     // only use the big font if we want custom
+    #endif
+#elif defined(BOARD_HDPI_RECOVERY)
+    #ifdef BOARD_USE_CUSTOM_FONT
+        #include "roboto_10x18.h"
+    #else
+        #include "font_10x18.h"
+    #endif
+#elif defined(BOARD_LDPI_RECOVERY)
+    #include "font_7x16.h"
+#else
+    #ifdef BOARD_USE_CUSTOM_FONT
+        #include "roboto_10x18.h"
+    #else
+        #include "font_10x18.h"
+    #endif
+#endif
+
 #include "minui.h"
 
 #if defined(RECOVERY_BGRA)