global: Cleanup line lengths and misc lint warnings

I know we decided to ditch the idea of shutting up "Exception
thrown with empty param" warnings but this pesters me too
much and we can instead just treat this as a weird future proofing
thing if and when we end up needing the exception messages.

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

app/src/main/java/com/wireguard/android/backend/WgQuickBackend.java

@@ -109,7 +109,8 @@ public final class WgQuickBackend implements Backend {
         try (FileOutputStream stream = new FileOutputStream(tempFile, false)) {
             stream.write(config.toString().getBytes(StandardCharsets.UTF_8));
         }
-        final String command = String.format("wg-quick %s '%s'", state.toString().toLowerCase(), tempFile.getAbsolutePath());
+        final String command = String.format("wg-quick %s '%s'",
+                state.toString().toLowerCase(), tempFile.getAbsolutePath());
         final int result = rootShell.run(null, command);
         // noinspection ResultOfMethodCallIgnored
         tempFile.delete();