Fix UnsatisfiedLinkError for Latin IME. Don't use old NDK version in a platform build.

Also added a clean step, since it's only a Makefile change.

Change-Id: Ide1684a5f34e99496e969edb8443dc4545b57306
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 7cdf69a..44ff0a2 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -47,6 +47,7 @@
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/APPS/LatinIME*)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/LatinIME.apk)
 
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libjni_latinime_intermediates)
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************