Do not link in pthread library for Android builds.
Do not link in pthread library for Android builds.

This is required to allow Tensorflow to build on Android without hacks. Currently we create a dummy pthread library just to satisfy this dependency for a library that does not exist on Android. See https://github.com/google/protobuf/issues/1373 for more context.
Livefyre/protobuf,google/protobuf,Livefyre/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,Livefyre/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,Livefyre/protobuf,Livefyre/protobuf