Use proper num_uuids the size of a vector am: ad9dc515 am: 5afd91e9 am:...

Use proper num_uuids the size of a vector am: ad9dc515 am: 5afd91e9 am: cb8079c1 am: d7606577

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2056572



Change-Id: Ibf378c615d9213718310bc74e8c5c8de820cfa6a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>