Show per-app CP2 usage in bugreport

Note we don't persist the numbers, so they're number since CP2
started.

Bug 24949200

Sample output:
Client activities:
  UID        Query  Insert Update Delete   Batch Insert Update Delete:
  10010          2       0      0      0       0      0      0      0
  10011         26       0      0      0       0      0      0      0
  10048        185       3      3      0       9   1013    150      1
  10057         37       0      0      0       0      0      0      0

Change-Id: Ia68ea8090cc569fb4483560944db126964875458
3 files changed