Update SDL2 to latest hg (fbfacc66c65c)

libs/SDL2/android-project/app/jni/Android.mk

@@ -0,0 +1 @@
+include $(call all-subdir-makefiles)

libs/SDL2/android-project/app/jni/Application.mk

@@ -0,0 +1,9 @@
+
+# Uncomment this if you're using STL in your project
+# See CPLUSPLUS-SUPPORT.html in the NDK documentation for more information
+# APP_STL := stlport_static
+
+APP_ABI := armeabi-v7a arm64-v8a x86 x86_64
+
+# Min runtime API level
+APP_PLATFORM=android-14

libs/SDL2/android-project/app/jni/src/Android.mk

@@ -0,0 +1,18 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := main
+
+SDL_PATH := ../SDL
+
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/$(SDL_PATH)/include
+
+# Add your application source files here...
+LOCAL_SRC_FILES := YourSourceHere.c
+
+LOCAL_SHARED_LIBRARIES := SDL2
+
+LOCAL_LDLIBS := -lGLESv1_CM -lGLESv2 -llog
+
+include $(BUILD_SHARED_LIBRARY)