[BUGFIX] Do not inherit future statements from pwb.py

08ac2d7 imports print_statement from __future__.
This causes customized scripts to fail with syntax error.
Compiling with dont_inherit flag set prevents this.

Bug: T85053
Change-Id: I6f0b3e8c598986a2828ab545758c251d3d592bf6
Merge "[BUGFIX] Do not inherit future statements from pwb.py"