Update to v5.15 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.15

Test: Builds, and ran bionic unit tests on flame.
Change-Id: I86901ea6d89fb0f7384b90a47bef35d194083c24
diff --git a/libc/kernel/uapi/linux/pkt_sched.h b/libc/kernel/uapi/linux/pkt_sched.h
index d0541fc..6dc8a19 100644
--- a/libc/kernel/uapi/linux/pkt_sched.h
+++ b/libc/kernel/uapi/linux/pkt_sched.h
@@ -613,6 +613,7 @@
   __u32 dropping;
   __u32 ce_mark;
 };
+#define FQ_CODEL_QUANTUM_MAX (1 << 20)
 enum {
   TCA_FQ_CODEL_UNSPEC,
   TCA_FQ_CODEL_TARGET,