Update to v5.13 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.13

Test: Builds, bionic unit tests.
Change-Id: Ia4360ca4a2808206f64187dcb234d73c5752624b
diff --git a/libc/kernel/uapi/linux/mptcp.h b/libc/kernel/uapi/linux/mptcp.h
index b15adf5..4a44a90 100644
--- a/libc/kernel/uapi/linux/mptcp.h
+++ b/libc/kernel/uapi/linux/mptcp.h
@@ -128,7 +128,16 @@
   MPTCP_ATTR_FLAGS,
   MPTCP_ATTR_TIMEOUT,
   MPTCP_ATTR_IF_IDX,
+  MPTCP_ATTR_RESET_REASON,
+  MPTCP_ATTR_RESET_FLAGS,
   __MPTCP_ATTR_AFTER_LAST
 };
 #define MPTCP_ATTR_MAX (__MPTCP_ATTR_AFTER_LAST - 1)
+#define MPTCP_RST_EUNSPEC 0
+#define MPTCP_RST_EMPTCP 1
+#define MPTCP_RST_ERESOURCE 2
+#define MPTCP_RST_EPROHIBIT 3
+#define MPTCP_RST_EWQ2BIG 4
+#define MPTCP_RST_EBADPERF 5
+#define MPTCP_RST_EMIDDLEBOX 6
 #endif