Cross Reference: /dalvik/tools/dmtracedump/tests/filters/testWaitingDisjointSingleThreadDiffFilterDiffKeys

      1 #    ____  ____  ____  ________  ____  ____  ____
      2 # __|A   ||Z   ||B   ||Z       ||D   ||Z   ||E   |__
      3 #
      4 0 1 A
      5 2 1 A
      6 2 1 Z
      7 4 1 Z
      8 4 1 B
      9 6 1 B
     10 6 1 Z
     11 10 1 Z
     12 10 1 D
     13 12 1 D
     14 12 1 Z
     15 14 1 Z
     16 14 1 E
     17 16 1 E
     18