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/media.h b/libc/kernel/uapi/linux/media.h
index eefc07a..4ba0ef6 100644
--- a/libc/kernel/uapi/linux/media.h
+++ b/libc/kernel/uapi/linux/media.h
@@ -198,6 +198,9 @@
 #define MEDIA_IOC_ENUM_LINKS _IOWR('|', 0x02, struct media_links_enum)
 #define MEDIA_IOC_SETUP_LINK _IOWR('|', 0x03, struct media_link_desc)
 #define MEDIA_IOC_G_TOPOLOGY _IOWR('|', 0x04, struct media_v2_topology)
+#define MEDIA_IOC_REQUEST_ALLOC _IOR('|', 0x05, int)
+#define MEDIA_REQUEST_IOC_QUEUE _IO('|', 0x80)
+#define MEDIA_REQUEST_IOC_REINIT _IO('|', 0x81)
 #define MEDIA_ENT_TYPE_SHIFT 16
 #define MEDIA_ENT_TYPE_MASK 0x00ff0000
 #define MEDIA_ENT_SUBTYPE_MASK 0x0000ffff