[automerger skipped] Merge "Use a different key for signing networkpolicy test app." into oreo-mr1-cts-dev am: 4e67a8094e am: 620452f928  -s ours
am: ab7977463e  -s ours

Change-Id: I860b62928809c2ad9953efa82f7a234c67d3cc02
tree: 3b250bd32a24a12064a92a95be0327c3d4ff1f1a
  1. tests/