Reorganize LatinIME native build directory structure.  Now it got NDK friendly.

Change-Id: I0f62ce8a6a4d2b6134db698f8b8d0576616e524d
diff --git a/native/Android.mk b/native/Android.mk
index 5dcc1e5..5053e7d 100644
--- a/native/Android.mk
+++ b/native/Android.mk
@@ -1,65 +1 @@
-LOCAL_PATH := $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_C_INCLUDES += $(LOCAL_PATH)/src
-
-LOCAL_CFLAGS += -Werror -Wall
-
-# To suppress compiler warnings for unused variables/functions used for debug features etc.
-LOCAL_CFLAGS += -Wno-unused-parameter -Wno-unused-function
-
-LOCAL_SRC_FILES := \
-    jni/com_android_inputmethod_keyboard_ProximityInfo.cpp \
-    jni/com_android_inputmethod_latin_BinaryDictionary.cpp \
-    jni/jni_common.cpp \
-    src/basechars.cpp \
-    src/bigram_dictionary.cpp \
-    src/char_utils.cpp \
-    src/correction.cpp \
-    src/dictionary.cpp \
-    src/proximity_info.cpp \
-    src/unigram_dictionary.cpp
-
-#FLAG_DBG := true
-#FLAG_DO_PROFILE := true
-
-TARGETING_UNBUNDLED_FROYO := true
-
-ifeq ($(TARGET_ARCH), x86)
-    TARGETING_UNBUNDLED_FROYO := false
-endif
-
-ifeq ($(FLAG_DBG), true)
-    TARGETING_UNBUNDLED_FROYO := false
-endif
-
-ifeq ($(FLAG_DO_PROFILE), true)
-    TARGETING_UNBUNDLED_FROYO := false
-endif
-
-ifeq ($(TARGETING_UNBUNDLED_FROYO), true)
-    LOCAL_NDK_VERSION := 4
-    LOCAL_SDK_VERSION := 8
-endif
-
-LOCAL_MODULE := libjni_latinime
-
-LOCAL_MODULE_TAGS := user
-
-# For STL
-LOCAL_C_INCLUDES += external/stlport/stlport bionic
-LOCAL_SHARED_LIBRARIES += libstlport
-
-ifeq ($(FLAG_DO_PROFILE), true)
-    $(warning Making profiling version of native library)
-    LOCAL_CFLAGS += -DFLAG_DO_PROFILE
-    LOCAL_SHARED_LIBRARIES += libcutils libutils
-else # FLAG_DO_PROFILE
-ifeq ($(FLAG_DBG), true)
-    $(warning Making debug version of native library)
-    LOCAL_CFLAGS += -DFLAG_DBG
-    LOCAL_SHARED_LIBRARIES += libcutils libutils
-endif # FLAG_DBG
-endif # FLAG_DO_PROFILE
-
-include $(BUILD_SHARED_LIBRARY)
+include $(call all-subdir-makefiles)