Merge "Clarify dlfcn.dladdr_libc slightly." am: e393d48bc7 am: 6607207d5c am: 7ced97ace7 am: 85bcb38b12

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2548970

Change-Id: Ie9e32c820cc5a39344c00ee18cc34ae1639d13ce
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>