Add sanitizer-status to PRODUCT_PACKAGES_DEBUG

This ensures all -userdebug builds have the sanitizer-status binary,
which is used to check which build flags were used for a given image.

It is important to distinguish between what the build fingerprint
claims, and what is actually available on the phone.

Change-Id: Iac1eabb8c5ed885a057f7a302b1887b7e9c4ccbc