When merging the change from Widevine's repo over to NYC,
some deletes were missed. This change removed the unused
classes profiler_session and stats.
The make file still had a reference to Stats, which was
likely due to a merge conflict.
Change-Id: Ic39baafab4bfd84e2b462f6749761c8a228244c7
This change is a merge of the following changes:
1. Remove MultipleSessions (go/wvgerrit/16763)
2. Increase Memory Budget (go/wvgerrit/16764)
3. Fixing Possible Integer Overflow (go/wvgerrit/16765)
4. Creating Call Table (go/wvgerrit/16766)
5. Creating Call History (go/wvgerrit/16767)
6. Connecting Profiled Scope (go/wvgerrit/16768)
7. Adding Call Table Version Number (go/wvgerrit/16780)
8. Add Version Number to Call History (go/wvgerrit/16781)
bug: 27157796
Change-Id: Ia3f088a1714f3f5b426fee6141daa4ea8d832cf4