Update otherDeviceIds format to match frontend
Update otherDeviceIds format to match frontend

Bug: 134672432
Signed-off-by: Dave Smith <bb533b618e78082aeb4dd41165d312e7410457ee@google.com>
Change-Id: Ic999559a8082156794d18805df3cbc758b585deb

actions-on-google/smart-home-nodejs,actions-on-google/smart-home-nodejs