Update to kernel headers v4.7.2.

Modify the kernel header update script to rename C++ keyword
struct members to something else. This fixes problems when including
these kernel files in C++ code.

Also, make a manual change to linux/fib_rules.h and comment out the
value FRA_PAD since it conflicts with a special android kernel value
FRA_UID_START that has not been upstreamed yet.

Test: Built aosp_angler, aosp_x86_64, aosp_mips (bionic only)
Test: Booted on angler and ran bionic unit tests
Test: Built these changes in internal master

Change-Id: Ia22b7e3ca409404696dba76311f49157f4a9ceed
diff --git a/libc/kernel/uapi/drm/armada_drm.h b/libc/kernel/uapi/drm/armada_drm.h
index 160c4f8..ca9d46b 100644
--- a/libc/kernel/uapi/drm/armada_drm.h
+++ b/libc/kernel/uapi/drm/armada_drm.h
@@ -18,34 +18,41 @@
  ****************************************************************************/
 #ifndef DRM_ARMADA_IOCTL_H
 #define DRM_ARMADA_IOCTL_H
+#include "drm.h"
+#ifdef __cplusplus
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#endif
 #define DRM_ARMADA_GEM_CREATE 0x00
 #define DRM_ARMADA_GEM_MMAP 0x02
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define DRM_ARMADA_GEM_PWRITE 0x03
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ARMADA_IOCTL(dir,name,str) DRM_ ##dir(DRM_COMMAND_BASE + DRM_ARMADA_ ##name, struct drm_armada_ ##str)
 struct drm_armada_gem_create {
   uint32_t handle;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint32_t size;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 #define DRM_IOCTL_ARMADA_GEM_CREATE ARMADA_IOCTL(IOWR, GEM_CREATE, gem_create)
 struct drm_armada_gem_mmap {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint32_t handle;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint32_t pad;
   uint64_t offset;
   uint64_t size;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint64_t addr;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 #define DRM_IOCTL_ARMADA_GEM_MMAP ARMADA_IOCTL(IOWR, GEM_MMAP, gem_mmap)
 struct drm_armada_gem_pwrite {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint64_t ptr;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   uint32_t handle;
   uint32_t offset;
   uint32_t size;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define DRM_IOCTL_ARMADA_GEM_PWRITE ARMADA_IOCTL(IOW, GEM_PWRITE, gem_pwrite)
+#ifdef __cplusplus
 #endif
+#endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */