The bcc command line uses /data/user/0 paths, so renderscript needs to
be able to follow those symlinks.

Addresses the following denial:

  audit(1545249938.830:2274): avc: denied { read } for comm="bcc" name="0" dev="dm-6" ino=101 scontext=u:r:rs:s0:c184,c256,c512,c768 tcontext=u:object_r:system_data_file:s0 tclass=lnk_file permissive=1 app=android.rscpp.cts

Test: cts-tradefed run cts -m CtsRsCppTestCases
Bug: 121266184
Bug: 112357170
Change-Id: I16210f9b95f386bdee0863cf0044c956af99586d