Add core library modules visibility rules

Adds visibility to core library modules to prevent them from being
accessed unnecessarily.

Bug: 112158820
Test: make core-tests
Change-Id: I9329cae35cc79ee35ea0e33929bef15d36b08ca5
1 file changed
tree: 8e9c74356a0070b2c88c96ea7fa13e7cc6944b3a
  1. Android.bp
  2. MODULE_LICENSE_APACHE2
  3. NOTICE
  4. OWNERS
  5. README.version
  6. src/