In permission review mode, always request user's consent to toggle BT.

Bug: 33155221
Test: Manual: flash the watch, check that the consent UI was
      displayed in both apps (the one with CompileSDK=21 and
      TargetSDK=21, and the one with CompileSDK=25 and
      TargetSDK=25).
Change-Id: Ic1ed987bbaf282892a2aef354a8ca0add2c829ba