Clean up UI todos.

The leftover TODOs have been examined and can be safely punted to the
next release.

Bug: 281736422
Test: build
Change-Id: I89a463d237414e7883f1fc00a6261932084d582b

packages/CredentialManager/src/com/android/credentialmanager/CredentialManagerRepo.kt

@@ -55,7 +55,6 @@ class CredentialManagerRepo(
     val requestInfo: RequestInfo?
     private val providerEnabledList: List<ProviderData>
     private val providerDisabledList: List<DisabledProviderData>?
-    // TODO: require non-null.
     val resultReceiver: ResultReceiver?
 
     var initialUiState: UiState

packages/CredentialManager/src/com/android/credentialmanager/DataConverter.kt

@@ -62,7 +62,6 @@ import androidx.credentials.provider.RemoteEntry
 import org.json.JSONObject
 import java.time.Instant
 
-// TODO: remove all !! checks
 fun getAppLabel(
     pm: PackageManager,
     appPackageName: String
@@ -88,7 +87,7 @@ private fun getServiceLabelAndIcon(
     val component = ComponentName.unflattenFromString(providerFlattenedComponentName)
     if (component == null) {
         // Test data has only package name not component name.
-        // TODO: remove once test data is removed
+        // For test data usage only.
         try {
             val pkgInfo = pm.getPackageInfo(
                 providerFlattenedComponentName,
@@ -303,7 +302,6 @@ class GetFlowUtils {
                     )
                 }
             }
-            // TODO: handle empty list due to parsing error.
             return result
         }
 
@@ -392,7 +390,6 @@ class GetFlowUtils {
                     subTitle = actionEntryUi.subtitle?.toString(),
                 ))
             }
-            // TODO: handle empty list
             return result
         }
     }

packages/CredentialManager/src/com/android/credentialmanager/ui/theme/PlatformTheme.kt

@@ -32,7 +32,11 @@ import com.android.credentialmanager.ui.theme.typography.platformTypography
 
 /** File copied from PlatformComposeCore. */
 
-/** The Material 3 theme that should wrap all Platform Composables. */
+/**
+ * The Material 3 theme that should wrap all Platform Composables.
+ *
+ * TODO(b/280685309): Merge with the official SysUI platform theme.
+ */
 @Composable
 fun PlatformTheme(
     isDarkTheme: Boolean = isSystemInDarkTheme(),
@@ -40,7 +44,6 @@ fun PlatformTheme(
 ) {
     val context = LocalContext.current
 
-    // TODO(b/230605885): Define our color scheme.
     val colorScheme =
         if (isDarkTheme) {
             dynamicDarkColorScheme(context)