Specify c++_static for bundled Latin IME as well

APP_STL := c++_static has been specified for unbundled
Latin IME but somehow not for bundled build.

This CL fixes the inconsistency.

Change-Id: Ie1f4aba27e30981d3c2aa322a16c1cd18413e920
diff --git a/native/jni/Application.mk b/native/jni/Application.mk
index caf3b26..ce09535 100644
--- a/native/jni/Application.mk
+++ b/native/jni/Application.mk
@@ -1 +1 @@
-APP_STL := stlport_static
+APP_STL := c++_static