Update to v5.5 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.5

Test: Boots on walleye.
Test: Ran bionic-unit-tests on walleye.
Test: Boots on cuttlefish.
Test: Ran bionic-unit-tests on cuttlefish.
Change-Id: I57387d3c31e0ba5ad125ffe291cecf365c7b374e
Merged-In: I57387d3c31e0ba5ad125ffe291cecf365c7b374e
diff --git a/libc/kernel/uapi/linux/cyclades.h b/libc/kernel/uapi/linux/cyclades.h
index 50ea706..60bc4af 100644
--- a/libc/kernel/uapi/linux/cyclades.h
+++ b/libc/kernel/uapi/linux/cyclades.h
@@ -26,9 +26,9 @@
   unsigned long char_last;
 };
 struct cyclades_idle_stats {
-  __kernel_time_t in_use;
-  __kernel_time_t recv_idle;
-  __kernel_time_t xmit_idle;
+  __kernel_old_time_t in_use;
+  __kernel_old_time_t recv_idle;
+  __kernel_old_time_t xmit_idle;
   unsigned long recv_bytes;
   unsigned long xmit_bytes;
   unsigned long overruns;