syslog.h: add __printflike to syslog functions

Allow the compiler to detect formating bugs.

Change-Id: I6a4af6cae59dc3adf14b075431a41885213a649a
Merge "syslog.h: add __printflike to syslog functions"
Add TCP_INFO state enum values.

Bug: https://code.google.com/p/android/issues/detail?id=38881
Change-Id: Ie22816c666474e6441e0ec3afd2a6eb04d64a673
Merge "Add TCP_INFO state enum values."
Add a trivial gmtime(3) test.

Change-Id: I849f200a455cd6971646fa45766ab22ba19fb866
Merge "Add a trivial gmtime(3) test."
Merge remote-tracking branch 'aosp/master'