Fix elevation with border-radius set (facebook#48982)

Summary:
Pull Request resolved: facebook#48982

We were missing a conversion to px on the `getOutline()` function of `CompositeBackgroundDrawable` which led to incorrect elevation prop rendering

Changelog: [Android][Fixed] - Elevation prop on android has incorrect border-radius

Reviewed By: NickGerleman

Differential Revision: D68724947

fbshipit-source-id: b3a7a4919bfd7c60fac7c3d6e3ba760e3f74d190

Author: jorge-cab

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/drawable/CompositeBackgroundDrawable.kt

@@ -16,6 +16,7 @@ import android.graphics.drawable.LayerDrawable
 import android.os.Build
 import com.facebook.react.common.annotations.UnstableReactNativeAPI
 import com.facebook.react.internal.featureflags.ReactNativeFeatureFlags
+import com.facebook.react.uimanager.PixelUtil.dpToPx
 import com.facebook.react.uimanager.style.BorderInsets
 import com.facebook.react.uimanager.style.BorderRadiusStyle
 
@@ -200,14 +201,14 @@ internal class CompositeBackgroundDrawable(
         pathForOutline.addRoundRect(
             RectF(bounds),
             floatArrayOf(
-                it.topLeft.horizontal + (computedBorderInsets?.left ?: 0f),
-                it.topLeft.vertical + (computedBorderInsets?.top ?: 0f),
-                it.topRight.horizontal + (computedBorderInsets?.right ?: 0f),
-                it.topRight.vertical + (computedBorderInsets?.top ?: 0f),
-                it.bottomRight.horizontal + (computedBorderInsets?.right ?: 0f),
-                it.bottomRight.vertical + (computedBorderInsets?.bottom ?: 0f),
-                it.bottomLeft.horizontal + (computedBorderInsets?.left ?: 0f),
-                it.bottomLeft.vertical) + (computedBorderInsets?.bottom ?: 0f),
+                (it.topLeft.horizontal + (computedBorderInsets?.left ?: 0f)).dpToPx(),
+                (it.topLeft.vertical + (computedBorderInsets?.top ?: 0f)).dpToPx(),
+                (it.topRight.horizontal + (computedBorderInsets?.right ?: 0f)).dpToPx(),
+                (it.topRight.vertical + (computedBorderInsets?.top ?: 0f)).dpToPx(),
+                (it.bottomRight.horizontal + (computedBorderInsets?.right ?: 0f)).dpToPx(),
+                (it.bottomRight.vertical + (computedBorderInsets?.bottom ?: 0f)).dpToPx(),
+                (it.bottomLeft.horizontal + (computedBorderInsets?.left ?: 0f)).dpToPx(),
+                (it.bottomLeft.vertical + (computedBorderInsets?.bottom ?: 0f)).dpToPx()),
             Path.Direction.CW)
       }