Allow negative values and other units of time in regex.

Bug: 159682839
Test: atest
Test: forrest sponge2/a303910e-2726-4410-ae69-d82dbb8aa0f9
Change-Id: I8f672a55f6e97d6222ebd2804461add9775617b8
2 files changed
tree: 59584fd9477bc31e486501a81becb12380efb181
  1. build/
  2. docs/
  3. emu_test/
  4. libraries/
  5. scripts/
  6. tests/
  7. utils/
  8. PREUPLOAD.cfg