[Bluetooth apex] Use new apex name am: 75a40c3c87 am: 57238232a8 am: 19ebfca039 am: b52c4bb01c

Original change: https://android-review.googlesource.com/c/platform/external/libevent/+/2192089

Change-Id: If64c113098d94fdd521f3ba232dfd6c167acdadc
Signed-off-by: Automerger Merge Worker <[email protected]>