Continue to clean up prebuilt mapping

Bug: 195988821
Test: ./update_prebuilts.py -x <build-id>
Change-Id: Iea23419c0978f9559129a6f85b475eb5eaf7f174
Merged-In: Iea23419c0978f9559129a6f85b475eb5eaf7f174
Merged-In: If988087ef31b4eb8d1b366f2667e4ab07e5bbb23
(cherry picked from commit 0723aff8a9d82309b31ead030881aab62d7de205)
1 file changed