Fix DepsInSameApex for some dependencies of static libraries

The implementation before libraryDependencyTag was added failed to
treat shared library dependencies with reexported headers on a
static library as crossing the apex boundary because the dependency
tag was overwritten from SharedFromStaticDepTag to sharedExportDepTag,
causing FromStatic to be false.

Bug: 162437057
Test: m checkbuild
Change-Id: I514b90aeb0f1477045e92b46d17336d4fb2fb62c