The marked library(ies) were available to the APEXes via the hand-written
whitelist in build/soong/apex/apex.go. Trying to remove the whitelist
by adding apex_available property to the Android.bp of the libraries.
Exempt-From-Owner-Approval: cherry-pick from AOSP
Bug: 150999716
Test: m
Merged-In: I91d1b1076733a949ca2a959ba640ce34d0233492
(cherry picked from commit 541142ce6b)
Change-Id: I91d1b1076733a949ca2a959ba640ce34d0233492