libhidlbase: avoid dlclose am: edd49128bc am: 6785dc4b99

Original change: https://android-review.googlesource.com/c/platform/system/libhidl/+/1592996

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I8edbe4820d299d8013cac69b6c96f12047d2427a