Revert "Remove renderscript related samples"

This reverts commit 7c7f0903b69359d0bf800abef2fc102e5ce433e5.

Reason for revert: aosp-master sdk build is broken by this change
Bug: 258238947
Test: ACA has successfully verified the above culprit
Change-Id: I6a6ea4778f72e09780a04e062ec3b664aee2001f
1 file changed