VintfObject docs: don't reference exact locations

VintfObject.h still references the original system/vendor locations for
manifests. These now correspond to many possible locations with legacy
compatibility rules and are themselves subject to change. Now, the
header just declares that they are built from component pieces.

Bug: 76108617
Test: N/A
Change-Id: Ie9d0353b0beb0aa1fb6b1ae23ff70bab98ae2667
1 file changed