Update to v5.10 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.10

Test: Built cuttlefish and flame images. Ran bionic unit tests on both.
Change-Id: I37ffc850970adcce1febbe2269c202632fce763a
diff --git a/libc/kernel/uapi/linux/perf_event.h b/libc/kernel/uapi/linux/perf_event.h
index 8349f61..fa1abf4 100644
--- a/libc/kernel/uapi/linux/perf_event.h
+++ b/libc/kernel/uapi/linux/perf_event.h
@@ -431,7 +431,7 @@
 #define PERF_MEM_SNOOP_HITM 0x10
 #define PERF_MEM_SNOOP_SHIFT 19
 #define PERF_MEM_SNOOPX_FWD 0x01
-#define PERF_MEM_SNOOPX_SHIFT 37
+#define PERF_MEM_SNOOPX_SHIFT 38
 #define PERF_MEM_LOCK_NA 0x01
 #define PERF_MEM_LOCK_LOCKED 0x02
 #define PERF_MEM_LOCK_SHIFT 24