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/tests/malloc_test.cpp b/tests/malloc_test.cpp
index 1386e30..b5948c3 100644
--- a/tests/malloc_test.cpp
+++ b/tests/malloc_test.cpp
@@ -1399,7 +1399,7 @@
   ASSERT_EQ(0, sem_post(&sem));
 
   int my_tagged_addr_ctrl = prctl(PR_GET_TAGGED_ADDR_CTRL, 0, 0, 0, 0);
-  ASSERT_EQ(PR_MTE_TCF_NONE, my_tagged_addr_ctrl & PR_MTE_TCF_MASK);
+  ASSERT_EQ(static_cast<unsigned long>(PR_MTE_TCF_NONE), my_tagged_addr_ctrl & PR_MTE_TCF_MASK);
 
   void* retval;
   ASSERT_EQ(0, pthread_join(thread, &retval));