autobuild: Implement cleanrambuild before and after
autobuild: Implement cleanrambuild before and after

Change-Id: Ic9348a6d303626d17f2eca157f3963ce198a7613
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools