Padding API fixes

Relnote: "Default 0.dp parameter values were added to PaddingValues(horizontal, vertical)"
Fixes: 185565645
Fixes: 181336792
Bug: 177366651
Test: PaddingTest
Change-Id: I0557182c68da793da30caeb6325949829101e0cf

diff --git a/compose/foundation/foundation-layout/api/restricted_current.txt b/compose/foundation/foundation-layout/api/restricted_current.txt
index 4c0fda5..334ae3f 100644
--- a/compose/foundation/foundation-layout/api/restricted_current.txt
+++ b/compose/foundation/foundation-layout/api/restricted_current.txt

@@ -139,11 +139,11 @@
   public final class PaddingKt {
     method @androidx.compose.runtime.Stable public static androidx.compose.foundation.layout.PaddingValues PaddingValues-0680j_4(float all);
     method @androidx.compose.runtime.Stable public static androidx.compose.foundation.layout.PaddingValues PaddingValues-ZmiikuI(optional float start, optional float top, optional float end, optional float bottom);
-    method @androidx.compose.runtime.Stable public static androidx.compose.foundation.layout.PaddingValues PaddingValues-ioHfwGI(float horizontal, float vertical);
+    method @androidx.compose.runtime.Stable public static androidx.compose.foundation.layout.PaddingValues PaddingValues-ioHfwGI(optional float horizontal, optional float vertical);
     method @androidx.compose.runtime.Stable public static androidx.compose.ui.Modifier absolutePadding-w2-DAAU(androidx.compose.ui.Modifier, optional float left, optional float top, optional float right, optional float bottom);
     method @androidx.compose.runtime.Stable public static float calculateEndPadding(androidx.compose.foundation.layout.PaddingValues, androidx.compose.ui.unit.LayoutDirection layoutDirection);
     method @androidx.compose.runtime.Stable public static float calculateStartPadding(androidx.compose.foundation.layout.PaddingValues, androidx.compose.ui.unit.LayoutDirection layoutDirection);
-    method public static androidx.compose.ui.Modifier padding(androidx.compose.ui.Modifier, androidx.compose.foundation.layout.PaddingValues paddingValues);
+    method @androidx.compose.runtime.Stable public static androidx.compose.ui.Modifier padding(androidx.compose.ui.Modifier, androidx.compose.foundation.layout.PaddingValues paddingValues);
     method @androidx.compose.runtime.Stable public static androidx.compose.ui.Modifier padding-S2lCeAQ(androidx.compose.ui.Modifier, optional float horizontal, optional float vertical);
     method @androidx.compose.runtime.Stable public static androidx.compose.ui.Modifier padding-w2-DAAU(androidx.compose.ui.Modifier, optional float start, optional float top, optional float end, optional float bottom);
     method @androidx.compose.runtime.Stable public static androidx.compose.ui.Modifier padding-wxomhCo(androidx.compose.ui.Modifier, float all);