Settings: Modify & add AOSP JA translation

Change-Id: Ic5ef0aed93cca89b37a91b95fa8debee66fc34a1
Integrate quite hours active period strings for JA translation

Change-Id: If9c195ecbf9d00f01108185bba1a75be7c115b39
Settings: Modify volume override summary for JA translation

Change-Id: Ia9a14def58c7c195ba5c5cf55983b8d33ec8b5a7
Remove lockscreen slide delay option (1/2)

Also enable these options for insecure lockscreen:
* Lock after timeout
* Power button instantly locks
* Owner info

Change-Id: I7737dc9cb1108f7d83b2cea3af9eb313767eb958
Cleanup lockscreen security settings

Since we moved lockscreen security settings to a separate fragment,
these changes we have initially made are not longer needed

Change-Id: Iac07850e974e9ea423fd8908ce1e134a9a2508ef
Remove 'More device settings' menu

Change-Id: I86cd84f6f6c408b26c04d92529e9a031c4fed1f7