Fix VTS paths on 32-bit target

Decide target_basepaths by device's bitness.
On 32-bit target, do not include */lib64.

Bug: 33930594
Test: vts-tradefed run commandAndExit vts -m VibratorHidlTest -l INFO
Change-Id: I340ded1d763dc194da461ecf183c6a2ff5f5ee6f
(cherry picked from commit 23bd70d552fc33fbd3e0be3cd28889ba884eb7e0)
2 files changed