Revert "added prebuilts and packages.mk and removed whisperpush"

This reverts commit 47b5815ea96288e09215c7d32efe429f940be018.

Change-Id: I688e3f0dc7d702880bd556dc2bf03bfa13d3686a
Merge "Revert "added prebuilts and packages.mk and removed whisperpush"" into jaf-1.1