[automerger skipped] Merge "Increase NNAPI VTS single-test timeout to 20m." into android11-tests-dev am: 0e1004931b -s ours

am skip reason: skipped by user xusongw

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1425537

Change-Id: I2fbc3d0747009add496c06289e35e5d5857c7cc1