Started to merge @ZobyTwo cmake branch

thirdparty/libpng/Android.mk

@@ -0,0 +1,36 @@
+#### libpng
+#
+LOCAL_PATH      := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE    := libpng
+LOCAL_CFLAGS    := \
+  -D__ANDROID__ \
+  -DUNICODE \
+
+#  -DCHROME_PNG_WRITE_SUPPORT \
+#  -DPNG_USER_CONFIG \
+
+LOCAL_SRC_FILES := \
+  png.c \
+  pngerror.c \
+  pnggccrd.c \
+  pngget.c \
+  pngmem.c \
+  pngpread.c \
+  pngread.c \
+  pngrio.c \
+  pngrtran.c \
+  pngrutil.c \
+  pngset.c \
+  pngtrans.c \
+  pngvcrd.c \
+  pngwio.c \
+  pngwrite.c \
+  pngwtran.c \
+  pngwutil.c \
+
+include $(BUILD_STATIC_LIBRARY)
+
+