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

This reverts commit 47b5815ea96288e09215c7d32efe429f940be018.

Change-Id: Ib1d8bad6ce2e6ce0d69e74b80c3a24d7c0a96df6
Merge "Revert "added prebuilts and packages.mk and removed whisperpush"" into jaf-1.1