[stable-2.19] Add sc_locked status

[backportbot[bot]]

Backport of PR #1446

[github-actions[bot]]

SpotBugs

Category	Base	New
Bad practice	0	35
Correctness	0	34
Dodgy code	0	26
Internationalization	0	6
Malicious code vulnerability	0	49
Multithreaded correctness	0	3
Performance	0	8
Total	0	161

SpotBugs increased!

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 17.64706% with 28 lines in your changes missing coverage. Please review.

Project coverage is 48.93%. Comparing base (3c0c530) to head (fabfc70).

Files	Patch %	Lines
...d/lib/common/operations/RemoteOperationResult.java	17.64%	26 Missing and 2 partials :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## stable-2.19 #1513 +/- ## ================================================= - Coverage 48.97% 48.93% -0.05% Complexity 996 996 ================================================= Files 206 206 Lines 7826 7833 +7 Branches 1018 1019 +1 ================================================= Hits 3833 3833 - Misses 3444 3450 +6 - Partials 549 550 +1 ``` | [Files](https://app.codecov.io/gh/nextcloud/android-library/pull/1513?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nextcloud) | Coverage Δ | | |---|---|---| | [...d/lib/common/operations/RemoteOperationResult.java](https://app.codecov.io/gh/nextcloud/android-library/pull/1513?src=pr&el=tree&filepath=library%2Fsrc%2Fmain%2Fjava%2Fcom%2Fowncloud%2Fandroid%2Flib%2Fcommon%2Foperations%2FRemoteOperationResult.java&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nextcloud#diff-bGlicmFyeS9zcmMvbWFpbi9qYXZhL2NvbS9vd25jbG91ZC9hbmRyb2lkL2xpYi9jb21tb24vb3BlcmF0aW9ucy9SZW1vdGVPcGVyYXRpb25SZXN1bHQuamF2YQ==) | `44.25% <17.64%> (-0.62%)` | :arrow_down: | ... and [1 file with indirect coverage changes](https://app.codecov.io/gh/nextcloud/android-library/pull/1513/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nextcloud)