libmemtrack: Add correct target information

- Add correct target information to make file
- Remove incorrect target names in the src files
- replace sprintf(banned api) with snprintf

Change-Id: I846ff3d5dcc5acc843c2c83506deafadd30b4942
diff --git a/libmemtrack/Android.mk b/libmemtrack/Android.mk
index ade8d7a..306eb07 100644
--- a/libmemtrack/Android.mk
+++ b/libmemtrack/Android.mk
@@ -22,5 +22,5 @@
 LOCAL_C_INCLUDES += hardware/libhardware/include
 LOCAL_SHARED_LIBRARIES := liblog
 LOCAL_SRC_FILES := memtrack_msm.c kgsl.c
-LOCAL_MODULE := memtrack.msm8960
+LOCAL_MODULE := memtrack.$(TARGET_BOARD_PLATFORM)
 include $(BUILD_SHARED_LIBRARY)