(2) Update new intent action ACTION_ONE_HANDED_SETTINGS in Settings

AndroidManifest to support long-pressed action for One-handed mode
tile

Update new intent action ACTION_ONE_HANDED_SETTINGS in Settings
AndroidManifest for Settings$OneHandedSettingsActivity.

Bug: 201743873
Bug: 202132480
Bug: 207381742

Test: manually test long-pressed on One-handed mode QS tile
Change-Id: Id3882c62b6531a2a8c03378025cbda03efbb8c7c