Use installed paths of vndk libraries for ld.config.txt

The installed file name of modules may not match the module name.
Use module-installed-files to get the installed file name.

Bug: 117607748
Test: m checkbuild
Test: only libprotobuf-cpp-*-3.9.1.so changed in ld.config.R.txt
Change-Id: I83b7519f344b65b6cd98c4cabcf9bce0e753ba92
Merged-In: I83b7519f344b65b6cd98c4cabcf9bce0e753ba92