libhidlbase: avoid dlclose am: edd49128bc am: 6785dc4b99 am: a2680e6287

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ia122fcc72cb58a1ce29dacd352cacf6a39861aa9