Revert "Frameworks: SlimPie (1/2)"

This reverts commit 86e1fb51dcfc732b4a34121053c8c13b1b3996e0.

Change-Id: Ie77b3e6056d07e56ff599a79c18356f05c3071d8
add taskutils

Change-Id: I3cb7132161810f8cf8637c1149db0ec3a123d089