keystore: exclude builds for simulator.
diff --git a/cmds/keystore/Android.mk b/cmds/keystore/Android.mk
index 1b1bebd..15a199f 100644
--- a/cmds/keystore/Android.mk
+++ b/cmds/keystore/Android.mk
@@ -14,6 +14,8 @@
 # limitations under the License.
 #
 
+ifneq ($(TARGET_SIMULATOR),true)
+
 LOCAL_PATH:= $(call my-dir)
 
 include $(CLEAR_VARS)
@@ -30,3 +32,5 @@
 LOCAL_MODULE:= keystore_cli
 LOCAL_MODULE_TAGS := debug
 include $(BUILD_EXECUTABLE)
+
+endif