Updated to v4.4.1 kernel headers.

Small modifications needed to allow compilation with the new headers:

- Manually modify bionic/libc/kernel/uapi/asm-mips/asm/siginfo.h to
  remove the uapi from the include.
- PR_XXX defines are now available for mips, so remove the definition
  from linker_mips.cpp.

Bug: 23789423
Change-Id: I6dc8a03b012426d3a937db15cb24d3a50fab5a8c
diff --git a/libc/kernel/uapi/linux/securebits.h b/libc/kernel/uapi/linux/securebits.h
index a644d5a..ee9e61b 100644
--- a/libc/kernel/uapi/linux/securebits.h
+++ b/libc/kernel/uapi/linux/securebits.h
@@ -36,6 +36,11 @@
 #define SECBIT_KEEP_CAPS (issecure_mask(SECURE_KEEP_CAPS))
 #define SECBIT_KEEP_CAPS_LOCKED (issecure_mask(SECURE_KEEP_CAPS_LOCKED))
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define SECURE_ALL_BITS (issecure_mask(SECURE_NOROOT) | issecure_mask(SECURE_NO_SETUID_FIXUP) | issecure_mask(SECURE_KEEP_CAPS))
+#define SECURE_NO_CAP_AMBIENT_RAISE 6
+#define SECURE_NO_CAP_AMBIENT_RAISE_LOCKED 7
+#define SECBIT_NO_CAP_AMBIENT_RAISE (issecure_mask(SECURE_NO_CAP_AMBIENT_RAISE))
+#define SECBIT_NO_CAP_AMBIENT_RAISE_LOCKED (issecure_mask(SECURE_NO_CAP_AMBIENT_RAISE_LOCKED))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SECURE_ALL_BITS (issecure_mask(SECURE_NOROOT) | issecure_mask(SECURE_NO_SETUID_FIXUP) | issecure_mask(SECURE_KEEP_CAPS) | issecure_mask(SECURE_NO_CAP_AMBIENT_RAISE))
 #define SECURE_ALL_LOCKS (SECURE_ALL_BITS << 1)
 #endif