.deb depends on openjdk-8-jre-headless (#2129)
.deb depends on openjdk-8-jre-headless (#2129)

Summary:
I found that openjdk headless is just enough to build and use buck.

And installing **openjdk-8-jre** on top of **openjdk-8-jre-headless** will install 129 new packages, download 68.4MB of data and requires 357MB of storage.
Pull Request resolved: https://github.com/facebook/buck/pull/2129

Reviewed By: styurin

Pulled By: styurin

fbshipit-source-id: e0074adfb2

rmaz/buck,SeleniumHQ/buck,zpao/buck,rmaz/buck,brettwooldridge/buck,zpao/buck,SeleniumHQ/buck,brettwooldridge/buck,SeleniumHQ/buck,rmaz/buck,nguyentruongtho/buck,facebook/buck,kageiit/buck,nguyentruongtho/buck,Addepar/buck,SeleniumHQ/buck,facebook/buck,kageiit/buck,SeleniumHQ/buck,rmaz/buck,Addepar/buck,brettwooldridge/buck,Addepar/buck,facebook/buck,nguyentruongtho/buck,romanoid/buck,Addepar/buck,SeleniumHQ/buck,brettwooldridge/buck,SeleniumHQ/buck,brettwooldridge/buck,facebook/buck,brettwooldridge/buck,nguyentruongtho/buck,JoelMarcey/buck,romanoid/buck,rmaz/buck,SeleniumHQ/buck,romanoid/buck,rmaz/buck,kageiit/buck,SeleniumHQ/buck,romanoid/buck,facebook/buck,facebook/buck,Addepar/buck,JoelMarcey/buck,Addepar/buck,rmaz/buck,brettwooldridge/buck,SeleniumHQ/buck,romanoid/buck,brettwooldridge/buck,brettwooldridge/buck,brettwooldridge/buck,romanoid/buck,brettwooldridge/buck,brettwooldridge/buck,rmaz/buck,zpao/buck,nguyentruongtho/buck,romanoid/buck,facebook/buck,JoelMarcey/buck,kageiit/buck,JoelMarcey/buck,zpao/buck,Addepar/buck,Addepar/buck,SeleniumHQ/buck,Addepar/buck,JoelMarcey/buck,romanoid/buck,zpao/buck,JoelMarcey/buck,Addepar/buck,romanoid/buck,JoelMarcey/buck,JoelMarcey/buck,SeleniumHQ/buck,zpao/buck,nguyentruongtho/buck,romanoid/buck,kageiit/buck,JoelMarcey/buck,JoelMarcey/buck,brettwooldridge/buck,Addepar/buck,rmaz/buck,rmaz/buck,rmaz/buck,Addepar/buck,kageiit/buck,nguyentruongtho/buck,kageiit/buck,romanoid/buck,rmaz/buck,JoelMarcey/buck,romanoid/buck,SeleniumHQ/buck,Addepar/buck,rmaz/buck,JoelMarcey/buck,JoelMarcey/buck,romanoid/buck,zpao/buck