Merge changes I3427cbe5,If3c987f5,Ibea10e6d,I83b057db am: 388defd985 am: de6db35196
am: 359eca26c4

* commit '359eca26c43171f8bf9abb5a5ce79a3784d73949':
  android-14: Add symbol version for libc
  android-16: Add symbol version for libc
  android-17: Add symbol version for libc
  android-18: Add symbol version for libc/libm

Change-Id: I900ebdc0df80ed3aa328d2560aac4d06c4a654a1