This commit fixes the following compilation error:
```
:app:compileDebugJavaWithJavac
/home/bob/dev/Gadgetbridge/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/util/LimitedQueue.java:26:
error: incomparable types: Object and int
if (pair.first == id) {
^
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
1 error
:app:compileDebugJavaWithJavac FAILED
FAILURE: Build failed with an exception.
```
