Merge "libbinder_ndk_unit_test: shutdown wait time to 20s" am: 3731f6def4

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2603986

Change-Id: I09d40baa6c3e967261cf27399342de2ff0e1bd73
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>