[automerger skipped] Add getSupportedExtensions to NNAPI IDevice am: c9ff099c01 am: 0fdf341379
am: e3efb557a7 -s ours
am skip reason: change_id I5bd1cf2dfd8c4700819d52a87931df2959ef6929 with SHA1 6148d0f446 is in history

Change-Id: I05584eca9e622a0698738b1a7a317137aeb0355a