Rename Double Tap Power To Open Camera Gesture Xml

Rename double_tap_power_settings.xml to
double_tap_power_to_open_camera_settings.xml

Android Settings Feature Request: b/380287172

Bug: 381554683
Test: atest DoubleTapPowerSettingsTest
Flag: android.service.quickaccesswallet.launch_wallet_option_on_power_double_tap
Change-Id: I6ff3c0384602a5f0eeeafcc560e7854af8480f99