Update to v6.0 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-6.0

Test: Boots on coral.
Test: Bionic unit tests pass.
Change-Id: I282de83f23b432bef58214108a93700bdadddf0f
diff --git a/libc/kernel/uapi/linux/net_dropmon.h b/libc/kernel/uapi/linux/net_dropmon.h
index 35f70a5..4d2c336 100644
--- a/libc/kernel/uapi/linux/net_dropmon.h
+++ b/libc/kernel/uapi/linux/net_dropmon.h
@@ -36,11 +36,11 @@
 };
 struct net_dm_config_msg {
   __u32 entries;
-  struct net_dm_config_entry options[0];
+  struct net_dm_config_entry options[];
 };
 struct net_dm_alert_msg {
   __u32 entries;
-  struct net_dm_drop_point points[0];
+  struct net_dm_drop_point points[];
 };
 struct net_dm_user_msg {
   union {