framework is not available to APEXes

The modules 'framework', 'framework-minus-apex', 'framework-all' contain
private symbols that shouldn't be accessible to Mainline modules.
Restrict the access by making the framework modules to be accessible
only to the platform (the non updatable part).

Bug: 145796956
Test: m
Merged-In: I08cb61a67aef88ffe04ef52670144e1cbeff3cf9
Change-Id: I08cb61a67aef88ffe04ef52670144e1cbeff3cf9