Revert "MTP: Remove static library build for linux host."

This reverts commit d46c683f0e13ad9341ba83453835f6658ae5ad15.

Change-Id: I7e56760c92bad1d66d4a1f2415328a4d2138de84
diff --git a/media/mtp/Android.mk b/media/mtp/Android.mk
index b7e1a2a..e285847 100644
--- a/media/mtp/Android.mk
+++ b/media/mtp/Android.mk
@@ -47,3 +47,32 @@
 
 endif
 
+ifeq ($(HOST_OS),linux)
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:=                                       \
+                  MtpClient.cpp                         \
+                  MtpDataPacket.cpp                     \
+                  MtpDebug.cpp                          \
+                  MtpDevice.cpp                         \
+                  MtpEventPacket.cpp                    \
+                  MtpDeviceInfo.cpp                     \
+                  MtpObjectInfo.cpp                     \
+                  MtpPacket.cpp                         \
+                  MtpProperty.cpp                       \
+                  MtpRequestPacket.cpp                  \
+                  MtpResponsePacket.cpp                 \
+                  MtpStorageInfo.cpp                    \
+                  MtpStringBuffer.cpp                   \
+                  MtpStorage.cpp                        \
+                  MtpUtils.cpp                          \
+                  PtpCursor.cpp                         \
+
+LOCAL_MODULE:= libmtp
+
+LOCAL_CFLAGS := -DMTP_HOST
+
+include $(BUILD_HOST_STATIC_LIBRARY)
+
+endif