Add adb command to doc

Test Plan:
- None
Update React

Test Plan:
- None
Add script for getting memory usage

Test Plan:
- None
Log errors on videos more, stop animating points

Test Plan:
- None
Use a different field for init of current pos

Test Plan:
- None
Fix video buffering cache filling after using device for 15 min

\o/ this took a lot of debugging.

Test Plan:
- Watch videos for an hour, make sure things do not degrade.