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

Change-Id: I6c9c522b9c9de5dc139e2ecb0141008182ba07f0
diff --git a/Android.mk b/Android.mk
index 921a84b..ea6bb57 100644
--- a/Android.mk
+++ b/Android.mk
@@ -73,7 +73,8 @@
 LOCAL_SHARED_LIBRARIES :=
 
 LOCAL_STATIC_LIBRARIES += libcrecovery libguitwrp
-LOCAL_SHARED_LIBRARIES += libz libc libstlport libcutils libstdc++ libtar libblkid libminuitwrp libminadbd libmtdutils libminzip libaosprecovery
+LOCAL_SHARED_LIBRARIES += libz libc libstlport libcutils libstdc++ libtar libblkid libminuitwrp libminadbd libmtdutils libminzip libaosprecovery libcorkscrew
+LOCAL_SHARED_LIBRARIES += libgccdemangle
 
 ifneq ($(wildcard system/core/libsparse/Android.mk),)
 LOCAL_SHARED_LIBRARIES += libsparse
@@ -84,6 +85,7 @@
     BOARD_HAS_NO_REAL_SDCARD := true
     TW_USE_TOOLBOX := true
     TW_EXCLUDE_SUPERSU := true
+    TW_EXCLUDE_MTP := true
 endif
 ifeq ($(TARGET_USERIMAGES_USE_EXT4), true)
     LOCAL_CFLAGS += -DUSE_EXT4
@@ -124,6 +126,10 @@
 LOCAL_C_INCLUDES += system/extras/ext4_utils
 
 #TWRP Build Flags
+ifeq ($(TW_EXCLUDE_MTP),)
+    LOCAL_SHARED_LIBRARIES += libtwrpmtp
+    LOCAL_CFLAGS += -DTW_HAS_MTP
+endif
 ifneq ($(TW_NO_SCREEN_TIMEOUT),)
     LOCAL_CFLAGS += -DTW_NO_SCREEN_TIMEOUT
 endif
@@ -373,7 +379,8 @@
     $(commands_recovery_local_path)/openaes/Android.mk \
     $(commands_recovery_local_path)/toolbox/Android.mk \
     $(commands_recovery_local_path)/libmincrypt/Android.mk \
-    $(commands_recovery_local_path)/twrpTarMain/Android.mk
+    $(commands_recovery_local_path)/twrpTarMain/Android.mk \
+    $(commands_recovery_local_path)/mtp/Android.mk
 
 ifeq ($(TW_INCLUDE_CRYPTO_SAMSUNG), true)
     include $(commands_recovery_local_path)/crypto/libcrypt_samsung/Android.mk
@@ -411,5 +418,3 @@
 ifeq ($(TW_INCLUDE_FB2PNG), true)
     include $(commands_recovery_local_path)/fb2png/Android.mk
 endif
-
-commands_recovery_local_path :=