Update to v4.20.1 kernel headers.

This includes one manual change:

In the file bionic/libc/kernel/uapi/linux/in.h, the macro IN_BADCLASS
was not definied correctly. Change the macro from:

  #define IN_BADCLASS(a) ((((long int) (a)) == 0xffffffff)

to:

  #define IN_BADCLASS(a) (((long int) (a)) == (long int)0xffffffff)

This change is being pushed to the upstream kernels.

Test: Builds and boots.
Change-Id: Ia304773a9dc6789b34d9769d73742384d6afb571
Merged-In: Ia304773a9dc6789b34d9769d73742384d6afb571
(cherry picked from commit 967fb01cce73591281e7804e2c0fa9f83b618f5b)
diff --git a/libc/kernel/uapi/linux/pkt_sched.h b/libc/kernel/uapi/linux/pkt_sched.h
index 4efbc1c..e7d4942 100644
--- a/libc/kernel/uapi/linux/pkt_sched.h
+++ b/libc/kernel/uapi/linux/pkt_sched.h
@@ -283,8 +283,8 @@
   __u32 lends;
   __u32 borrows;
   __u32 giants;
-  __u32 tokens;
-  __u32 ctokens;
+  __s32 tokens;
+  __s32 ctokens;
 };
 struct tc_hfsc_qopt {
   __u16 defcls;
@@ -828,4 +828,35 @@
   CAKE_ATM_PTM,
   CAKE_ATM_MAX
 };
+enum {
+  TC_TAPRIO_CMD_SET_GATES = 0x00,
+  TC_TAPRIO_CMD_SET_AND_HOLD = 0x01,
+  TC_TAPRIO_CMD_SET_AND_RELEASE = 0x02,
+};
+enum {
+  TCA_TAPRIO_SCHED_ENTRY_UNSPEC,
+  TCA_TAPRIO_SCHED_ENTRY_INDEX,
+  TCA_TAPRIO_SCHED_ENTRY_CMD,
+  TCA_TAPRIO_SCHED_ENTRY_GATE_MASK,
+  TCA_TAPRIO_SCHED_ENTRY_INTERVAL,
+  __TCA_TAPRIO_SCHED_ENTRY_MAX,
+};
+#define TCA_TAPRIO_SCHED_ENTRY_MAX (__TCA_TAPRIO_SCHED_ENTRY_MAX - 1)
+enum {
+  TCA_TAPRIO_SCHED_UNSPEC,
+  TCA_TAPRIO_SCHED_ENTRY,
+  __TCA_TAPRIO_SCHED_MAX,
+};
+#define TCA_TAPRIO_SCHED_MAX (__TCA_TAPRIO_SCHED_MAX - 1)
+enum {
+  TCA_TAPRIO_ATTR_UNSPEC,
+  TCA_TAPRIO_ATTR_PRIOMAP,
+  TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST,
+  TCA_TAPRIO_ATTR_SCHED_BASE_TIME,
+  TCA_TAPRIO_ATTR_SCHED_SINGLE_ENTRY,
+  TCA_TAPRIO_ATTR_SCHED_CLOCKID,
+  TCA_TAPRIO_PAD,
+  __TCA_TAPRIO_ATTR_MAX,
+};
+#define TCA_TAPRIO_ATTR_MAX (__TCA_TAPRIO_ATTR_MAX - 1)
 #endif