android: fix missing '}' issue (#487)

also run linter

Updates #cleanup

Signed-off-by: kari-ts <kari@tailscale.com>

android/src/main/java/com/tailscale/ipn/ui/view/TailnetLockSetupView.kt

@@ -87,6 +87,7 @@ fun TailnetLockSetupView(
                 subtitle = stringResource(R.string.tailnet_lock_key_explainer))
           }
     }
+  }
 }
 
 @Composable
@@ -97,14 +98,13 @@ private fun ExplainerView() {
     ClickableText(
         explainerText(),
         onClick = { handler.openUri(Links.TAILNET_LOCK_KB_URL) },
-            style = MaterialTheme.typography.bodyMedium
-        )
+        style = MaterialTheme.typography.bodyMedium)
   }
 }
 
 @Composable
 fun explainerText(): AnnotatedString {
-    val annotatedString = buildAnnotatedString {
+  return buildAnnotatedString {
     withStyle(SpanStyle(color = MaterialTheme.colorScheme.defaultTextColor)) {
       append(stringResource(id = R.string.tailnet_lock_explainer))
     }
@@ -112,16 +112,14 @@ fun explainerText(): AnnotatedString {
     pushStringAnnotation(tag = "tailnetLockSupportURL", annotation = Links.TAILNET_LOCK_KB_URL)
 
     withStyle(
-            style = SpanStyle(
+        style =
+            SpanStyle(
                 color = MaterialTheme.colorScheme.link,
-                textDecoration = TextDecoration.Underline
-            )
-        ) {
+                textDecoration = TextDecoration.Underline)) {
           append(stringResource(id = R.string.learn_more))
         }
     pop()
   }
-    return annotatedString
 }
 
 @Composable