MTP: Add support for sending events to the host when objects are added and removed

Change-Id: Ia1d5232b919c644c670ff9ca651eca92b3f9ad42
Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/media/mtp/Android.mk b/media/mtp/Android.mk
index 174ea36..4659709 100644
--- a/media/mtp/Android.mk
+++ b/media/mtp/Android.mk
@@ -23,6 +23,7 @@
                   MtpDataPacket.cpp                     \
                   MtpDebug.cpp                          \
                   MtpDevice.cpp                         \
+                  MtpEventPacket.cpp                    \
                   MtpDeviceInfo.cpp                     \
                   MtpObjectInfo.cpp                     \
                   MtpPacket.cpp                         \