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/sound/sof/abi.h b/libc/kernel/uapi/sound/sof/abi.h
index f339ccf..3af3c9d 100644
--- a/libc/kernel/uapi/sound/sof/abi.h
+++ b/libc/kernel/uapi/sound/sof/abi.h
@@ -19,7 +19,7 @@
 #ifndef __INCLUDE_UAPI_SOUND_SOF_ABI_H__
 #define __INCLUDE_UAPI_SOUND_SOF_ABI_H__
 #define SOF_ABI_MAJOR 3
-#define SOF_ABI_MINOR 17
+#define SOF_ABI_MINOR 18
 #define SOF_ABI_PATCH 0
 #define SOF_ABI_MAJOR_SHIFT 24
 #define SOF_ABI_MAJOR_MASK 0xff