Add LOCAL_ADDITIONAL_DEPENDENCIES to avoid need for CleanSpec.mk

(cherry picked from commit 0dabae76535d3ba22efb188524a6c872cd1bd0c8)

Change-Id: Ie63bc61c9ba9c866fe2aa482bd7c5402e4026085
diff --git a/Android.mk b/Android.mk
index 2cd0a59..4aaf165 100644
--- a/Android.mk
+++ b/Android.mk
@@ -85,6 +85,7 @@
 LOCAL_SHARED_LIBRARIES := liblog
 LOCAL_MODULE_TAGS := optional
 LOCAL_MODULE := libvixl
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 include external/libcxx/libcxx.mk
 include $(BUILD_SHARED_LIBRARY)
 
@@ -97,6 +98,7 @@
 LOCAL_SHARED_LIBRARIES := liblog
 LOCAL_MODULE_TAGS := optional
 LOCAL_MODULE := libvixlg
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 include external/libcxx/libcxx.mk
 include $(BUILD_SHARED_LIBRARY)
 
@@ -109,6 +111,7 @@
 LOCAL_STATIC_LIBRARIES := liblog
 LOCAL_MODULE_TAGS := optional
 LOCAL_MODULE := libvixl
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 include external/libcxx/libcxx.mk
 include $(BUILD_HOST_STATIC_LIBRARY)
 
@@ -125,6 +128,7 @@
 LOCAL_MODULE_HOST_ARCH := x86_64
 LOCAL_FORCE_STATIC_EXECUTABLE := true
 LOCAL_MODULE := cctest_vixl
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 include external/libcxx/libcxx.mk
 include $(BUILD_HOST_EXECUTABLE)