add mtp responder to TWRP.
Big thanks to Dees_Troy for helping with the implementation.

Change-Id: I6c9c522b9c9de5dc139e2ecb0141008182ba07f0
diff --git a/mtp/Android.mk b/mtp/Android.mk
new file mode 100755
index 0000000..ebf1a6d
--- /dev/null
+++ b/mtp/Android.mk
@@ -0,0 +1,65 @@
+LOCAL_PATH := $(call my-dir)
+
+# Build libtwrpmtp library
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := libtwrpmtp
+LOCAL_MODULE_TAGS := optional
+LOCAL_CFLAGS = -D_FILE_OFFSET_BITS=64 -DMTP_DEVICE -DMTP_HOST
+LOCAL_C_INCLUDES += $(LOCAL_PATH) bionic external/stlport/stlport frameworks/base/include system/core/include bionic/libc/private/
+LOCAL_SRC_FILES = \
+    btree.cpp \
+    MtpDataPacket.cpp \
+    MtpDebug.cpp \
+    MtpDevice.cpp \
+    MtpDeviceInfo.cpp \
+    MtpEventPacket.cpp \
+    MtpObjectInfo.cpp \
+    MtpPacket.cpp \
+    MtpProperty.cpp \
+    MtpRequestPacket.cpp \
+    MtpResponsePacket.cpp \
+    MtpServer.cpp \
+    MtpStorage.cpp \
+    MtpStorageInfo.cpp \
+    MtpStringBuffer.cpp \
+    MtpUtils.cpp \
+    mtp_MtpServer.cpp \
+    twrpMtp.cpp \
+    mtp_MtpDatabase.cpp \
+    node.cpp
+LOCAL_SHARED_LIBRARIES += libz libc libusbhost libstdc++ libstlport libdl libcutils libutils
+include $(BUILD_SHARED_LIBRARY)
+
+# Build twrpmtp binary / executable
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := twrpmtp
+LOCAL_MODULE_TAGS := optional
+LOCAL_CFLAGS = -D_FILE_OFFSET_BITS=64 -DMTP_DEVICE -DMTP_HOST -DTWRPMTP
+LOCAL_C_INCLUDES += $(LOCAL_PATH) bionic external/stlport/stlport frameworks/base/include system/core/include bionic/libc/private/
+LOCAL_SRC_FILES = \
+    btree.cpp \
+    MtpDataPacket.cpp \
+    MtpDebug.cpp \
+    MtpDevice.cpp \
+    MtpDeviceInfo.cpp \
+    MtpEventPacket.cpp \
+    MtpObjectInfo.cpp \
+    MtpPacket.cpp \
+    MtpProperty.cpp \
+    MtpRequestPacket.cpp \
+    MtpResponsePacket.cpp \
+    MtpServer.cpp \
+    MtpStorage.cpp \
+    MtpStorageInfo.cpp \
+    MtpStringBuffer.cpp \
+    MtpUtils.cpp \
+    mtp_MtpServer.cpp \
+    twrpMtp.cpp \
+    mtp_MtpDatabase.cpp \
+    node.cpp
+LOCAL_SHARED_LIBRARIES += libz libc libusbhost libstdc++ libstlport libdl libcutils libutils
+include $(BUILD_EXECUTABLE)