Update to v5.12 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.12

Test: Boots flame device and runs bionic unit tests.
Test: Boots acloud device and runs bionic unit tests.

Change-Id: I8ac107ce9d4978be3ef9517b90ad6ecafd06785a
diff --git a/libc/kernel/uapi/linux/pkt_cls.h b/libc/kernel/uapi/linux/pkt_cls.h
index 62c2274..45dca35 100644
--- a/libc/kernel/uapi/linux/pkt_cls.h
+++ b/libc/kernel/uapi/linux/pkt_cls.h
@@ -462,6 +462,9 @@
   TCA_FLOWER_KEY_CT_FLAGS_ESTABLISHED = 1 << 1,
   TCA_FLOWER_KEY_CT_FLAGS_RELATED = 1 << 2,
   TCA_FLOWER_KEY_CT_FLAGS_TRACKED = 1 << 3,
+  TCA_FLOWER_KEY_CT_FLAGS_INVALID = 1 << 4,
+  TCA_FLOWER_KEY_CT_FLAGS_REPLY = 1 << 5,
+  __TCA_FLOWER_KEY_CT_FLAGS_MAX,
 };
 enum {
   TCA_FLOWER_KEY_ENC_OPTS_UNSPEC,