Vendor sched procfs path hierarchy gets updated in kernel.
Update the paths in powerhint json file to match the change.
Bug: 289151587
Test: Manual check the paths in device
Change-Id: I2b84293738c948d868c5a009e66235a1b597a379
Use the latest udc-qpr-dev p23 zuma powerhints.
Support selecting different powerhints json file for prototype
and production devices.
Bug: 300108936
Test: Build passed;
The expected powerhint json file was loaded in device test.
Change-Id: I65582266eb7b9aa90deabe452ea2482ba9d28118