Add dependencies on all the makefiles.

This should help prevent broken builds next time I'm messing with
assembler/compiler/linker flags...

Change-Id: I30f15a3ce3c3f3c60cad7bc59aaba9f42d792224
diff --git a/libc/Android.mk b/libc/Android.mk
index 04b8ed1..26da523 100644
--- a/libc/Android.mk
+++ b/libc/Android.mk
@@ -731,6 +731,7 @@
 LOCAL_CFLAGS := $(libc_common_cflags) -fno-stack-protector
 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 LOCAL_MODULE := libbionic_ssp
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 
 include $(BUILD_STATIC_LIBRARY)
@@ -751,6 +752,7 @@
     -include upstream-netbsd/netbsd-compat.h
 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 LOCAL_MODULE := libc_netbsd
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 
 include $(BUILD_STATIC_LIBRARY)
@@ -769,6 +771,7 @@
 endif
 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 LOCAL_MODULE := libc_common
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 LOCAL_WHOLE_STATIC_LIBRARIES := libbionic_ssp libc_netbsd
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 
@@ -797,6 +800,7 @@
                 -DLIBC_STATIC
 
 LOCAL_MODULE := libc_nomalloc
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 
@@ -819,6 +823,7 @@
                 -DLIBC_STATIC
 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 LOCAL_MODULE := libc
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 
@@ -848,6 +853,7 @@
 	bionic/libc_init_dynamic.c
 
 LOCAL_MODULE:= libc
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 
 # WARNING: The only library libc.so should depend on is libdl.so!  If you add other libraries,
 # make sure to add -Wl,--exclude-libs=libgcc.a to the LOCAL_LDFLAGS for those libraries.  This
@@ -890,6 +896,7 @@
 	bionic/malloc_debug_stacktrace.c
 
 LOCAL_MODULE:= libc_malloc_debug_leak
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 
 LOCAL_SHARED_LIBRARIES := libc
 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
@@ -917,6 +924,7 @@
 	bionic/malloc_debug_qemu.c
 
 LOCAL_MODULE:= libc_malloc_debug_qemu
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 
 LOCAL_SHARED_LIBRARIES := libc libdl
 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common