security: update Memory Management Security section

Add Android 4.1 features, including:
* relro
* mmap_min_addr
* dmesg_restrict
* kptr_restrict

Reorganize the sections to better indicate when various security
features were added.

(cherry picked from commit e02a1b99dc87805c6f192eb6f1512e6e12f183a9)

Change-Id: I227bd67b8e79c21e2ebdf9e6ba4a9ca55241f21c
1 file changed
tree: b9333ec2ddef1d610cfa815d34d0b805cb334661
  1. scripts/
  2. src/
  3. templates/
  4. .gitignore
  5. CleanSpec.mk
  6. README