re-enable ltp build for shamu

Change-Id: Ibee04ff86b89938193e8144e33472a45586d4efb
diff --git a/Android.mk b/Android.mk
index c22a600..a41e69e 100644
--- a/Android.mk
+++ b/Android.mk
@@ -11,8 +11,6 @@
 # GNU General Public License for more details.
 #
 
-# TODO(yuexima) temporally skip ltp build for target shamu
-ifneq (shamu, $(TARGET_PRODUCT))
 # LTP is for linux
 ifeq (linux, $(HOST_OS))
 # LTP is only for development and not for production
@@ -110,4 +108,3 @@
 
 endif
 endif
-endif