Enable liblog on host bionic

Some of the __BIONIC__ checks were actually looking for an android
device. Host bionic has __BIONIC__, but not __ANDROID__.

Bug: 31559095
Test: Test linux_bionic compile
Change-Id: Ia0ca36fc9486fe8ea7e5d1b2e26ab0491903723c
2 files changed
tree: 39514922c61e1b72a5c95b06c8e59e404cda8af8
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/