add support for more LOCAL_*_arch variables

Add support for:
LOCAL_SHARED_LIBRARIES_arch
LOCAL_STATIC_LIBRARIES_arch
LOCAL_WHOLE_STATIC_LIBRARIES_arch
LOCAL_GENERATED_SOURCES_arch
LOCAL_REQUIRED_MODULES_arch

Change-Id: Iad91702e140d8dba7dcaee13f236c77b1e626a34
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index f884b19..0f6308c 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -153,6 +153,11 @@
 LOCAL_ASFLAGS_$(TARGET_ARCH):=
 LOCAL_NO_CRT_$(TARGET_ARCH):=
 LOCAL_LDFLAGS_$(TARGET_ARCH):=
+LOCAL_SHARED_LIBRARIES_$(TARGET_ARCH):=
+LOCAL_STATIC_LIBRARIES_$(TARGET_ARCH):=
+LOCAL_WHOLE_STATIC_LIBRARIES_$(TARGET_ARCH):=
+LOCAL_GENERATED_SOURCES_$(TARGET_ARCH):=
+LOCAL_REQUIRED_MODULES_$(TARGET_ARCH):=
 ifdef TARGET_2ND_ARCH
 LOCAL_SRC_FILES_$(TARGET_2ND_ARCH):=
 LOCAL_CFLAGS_$(TARGET_2ND_ARCH):=
@@ -160,6 +165,11 @@
 LOCAL_ASFLAGS_$(TARGET_2ND_ARCH):=
 LOCAL_NO_CRT_$(TARGET_2ND_ARCH):=
 LOCAL_LDFLAGS_$(TARGET_2ND_ARCH):=
+LOCAL_SHARED_LIBRARIES_$(TARGET_2ND_ARCH):=
+LOCAL_STATIC_LIBRARIES_$(TARGET_2ND_ARCH):=
+LOCAL_WHOLE_STATIC_LIBRARIES_$(TARGET_2ND_ARCH):=
+LOCAL_GENERATED_SOURCES_$(TARGET_2ND_ARCH):=
+LOCAL_REQUIRED_MODULES_$(TARGET_2ND_ARCH):=
 endif
 
 LOCAL_CFLAGS_32:=