Upgrade libcap to libcap-2.69 am: 3620cbbd3a

Original change: https://android-review.googlesource.com/c/platform/external/libcap/+/2724494

Change-Id: Ie6bb51b101cafeb679295262cf6f67cfd5bc9ba0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>