Turn off the automatic rotation:
1 | adb shell content insert --uri content://settings/system --bind name:s:accelerometer_rotation --bind value:i:0 |
Rotate to landscape:
1 | adb shell content insert --uri content://settings/system --bind name:s:user_rotation --bind value:i:1 |
Rotate portrait:
1 | adb shell content insert --uri content://settings/system --bind name:s:user_rotation --bind value:i:0 |
You can also use 2 and 3 for upside-down portrait and reverse landscape respectively.