Update to v5.11 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.11

Test: Built cuttlefish and flame images. Ran bionic unit tests on both.
Change-Id: Ie60337aafad4bda55af99b6c8fe9f56bf2fa787f
diff --git a/libc/kernel/uapi/linux/perf_event.h b/libc/kernel/uapi/linux/perf_event.h
index fa1abf4..be32b51 100644
--- a/libc/kernel/uapi/linux/perf_event.h
+++ b/libc/kernel/uapi/linux/perf_event.h
@@ -101,7 +101,9 @@
   PERF_SAMPLE_PHYS_ADDR = 1U << 19,
   PERF_SAMPLE_AUX = 1U << 20,
   PERF_SAMPLE_CGROUP = 1U << 21,
-  PERF_SAMPLE_MAX = 1U << 22,
+  PERF_SAMPLE_DATA_PAGE_SIZE = 1U << 22,
+  PERF_SAMPLE_CODE_PAGE_SIZE = 1U << 23,
+  PERF_SAMPLE_MAX = 1U << 24,
   __PERF_SAMPLE_CALLCHAIN_EARLY = 1ULL << 63,
 };
 enum perf_branch_sample_type_shift {