Update to v5.7 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.7

Update the generate_uapi_headers.sh where the types.h file is now in
the right place, but kvm.h is not.

Test: Booted cuttlefish/bonito.
Test: Ran bionic-unit-tests on cuttlefish/bonito.
Change-Id: Ice9ce370a658e320b80f564b34a4431927fcf100
diff --git a/libc/kernel/uapi/linux/net_dropmon.h b/libc/kernel/uapi/linux/net_dropmon.h
index a3d9119..01b76cb 100644
--- a/libc/kernel/uapi/linux/net_dropmon.h
+++ b/libc/kernel/uapi/linux/net_dropmon.h
@@ -86,6 +86,7 @@
   NET_DM_ATTR_HW_TRAP_COUNT,
   NET_DM_ATTR_SW_DROPS,
   NET_DM_ATTR_HW_DROPS,
+  NET_DM_ATTR_FLOW_ACTION_COOKIE,
   __NET_DM_ATTR_MAX,
   NET_DM_ATTR_MAX = __NET_DM_ATTR_MAX - 1
 };