Moves some shared_libs to static_libs for vts_libsnapshot_test.

These shared_libs are missing from /system/lib/ on 64-bit devices.

Test: Build, install, and run 32bit vts_libsnapshot_test.
Bug: 154115505
Change-Id: Iaf2014748546a055d35e4fe0e24969eef13db7fa