Allow visibility on libdexfile for all libdexfile_support users (reland).

Also add a note that libdexfile_support users also need to depend on
libdexfile.

Relanded with the corresponding visibility changes in
prebuilts/module_sdk/art (b/198352910).

Test: m droid
Bug: 197856821
Bug: 169779783
Change-Id: I59b0ae555e86f69f54c3e77fabd8013177e27d2b
1 file changed