Set apex_available property

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
(cherry picked from commit 91f7c44b415676d737930326afdb75098ad1b8fe)
Change-Id: I75c4cc9f5003cd606bf867d7aa5bceb20fca5f3c
1 file changed