Change WindowInsets.asPaddingValues() to ReadOnlyComposable

Fixes: 221861737

Relnote: N/A

Test: none

Change-Id: Ief538a97666384a6bc0f76d9d270faf82ffdfe8f

diff --git a/compose/foundation/foundation-layout/api/restricted_current.txt b/compose/foundation/foundation-layout/api/restricted_current.txt
index 6a61a51..e6db567 100644
--- a/compose/foundation/foundation-layout/api/restricted_current.txt
+++ b/compose/foundation/foundation-layout/api/restricted_current.txt

@@ -226,7 +226,7 @@
     method public static androidx.compose.foundation.layout.WindowInsets WindowInsets(optional int left, optional int top, optional int right, optional int bottom);
     method public static androidx.compose.foundation.layout.WindowInsets WindowInsets(optional float left, optional float top, optional float right, optional float bottom);
     method public static androidx.compose.foundation.layout.WindowInsets add(androidx.compose.foundation.layout.WindowInsets, androidx.compose.foundation.layout.WindowInsets insets);
-    method @androidx.compose.runtime.Composable public static androidx.compose.foundation.layout.PaddingValues asPaddingValues(androidx.compose.foundation.layout.WindowInsets);
+    method @androidx.compose.runtime.Composable @androidx.compose.runtime.ReadOnlyComposable public static androidx.compose.foundation.layout.PaddingValues asPaddingValues(androidx.compose.foundation.layout.WindowInsets);
     method public static androidx.compose.foundation.layout.PaddingValues asPaddingValues(androidx.compose.foundation.layout.WindowInsets, androidx.compose.ui.unit.Density density);
     method public static androidx.compose.foundation.layout.WindowInsets exclude(androidx.compose.foundation.layout.WindowInsets, androidx.compose.foundation.layout.WindowInsets insets);
     method public static androidx.compose.foundation.layout.WindowInsets only(androidx.compose.foundation.layout.WindowInsets, int sides);