Clear all LOCAL_CLANG_*FLAGS*.

Although only some of these flags will be used for some
targets or hosts, they must all be cleared to avoid carrying
over from one project to another.

BUG: 17677366
Change-Id: I6d26fa7e5bf2ff11758728810d4874f3759aebe7
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 8182e48..64aabda 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -201,11 +201,15 @@
 endif
 LOCAL_SRC_FILES_$(HOST_ARCH):=
 LOCAL_CFLAGS_$(HOST_ARCH):=
+LOCAL_CLANG_CFLAGS_$(HOST_ARCH):=
 LOCAL_CPPFLAGS_$(HOST_ARCH):=
+LOCAL_CLANG_CPPFLAGS_$(HOST_ARCH):=
 LOCAL_C_INCLUDES_$(HOST_ARCH):=
 LOCAL_ASFLAGS_$(HOST_ARCH):=
+LOCAL_CLANG_ASFLAGS_$(HOST_ARCH):=
 LOCAL_NO_CRT_$(HOST_ARCH):=
 LOCAL_LDFLAGS_$(HOST_ARCH):=
+LOCAL_CLANG_LDFLAGS_$(HOST_ARCH):=
 LOCAL_SHARED_LIBRARIES_$(HOST_ARCH):=
 LOCAL_STATIC_LIBRARIES_$(HOST_ARCH):=
 LOCAL_WHOLE_STATIC_LIBRARIES_$(HOST_ARCH):=
@@ -215,11 +219,15 @@
 ifdef HOST_2ND_ARCH
 LOCAL_SRC_FILES_$(HOST_2ND_ARCH):=
 LOCAL_CFLAGS_$(HOST_2ND_ARCH):=
+LOCAL_CLANG_CFLAGS_$(HOST_2ND_ARCH):=
 LOCAL_CPPFLAGS_$(HOST_2ND_ARCH):=
+LOCAL_CLANG_CPPFLAGS_$(HOST_2ND_ARCH):=
 LOCAL_C_INCLUDES_$(HOST_2ND_ARCH):=
 LOCAL_ASFLAGS_$(HOST_2ND_ARCH):=
+LOCAL_CLANG_ASFLAGS_$(HOST_2ND_ARCH):=
 LOCAL_NO_CRT_$(HOST_2ND_ARCH):=
 LOCAL_LDFLAGS_$(HOST_2ND_ARCH):=
+LOCAL_CLANG_LDFLAGS_$(HOST_2ND_ARCH):=
 LOCAL_SHARED_LIBRARIES_$(HOST_2ND_ARCH):=
 LOCAL_STATIC_LIBRARIES_$(HOST_2ND_ARCH):=
 LOCAL_WHOLE_STATIC_LIBRARIES_$(HOST_2ND_ARCH):=