SkiaLayerAnalytics. Rendering logging (#1012)

Fixes
https://youtrack.jetbrains.com/issue/SKIKO-994/Add-logging-for-rendering

skiko/src/awtMain/kotlin/org/jetbrains/skiko/redrawer/AWTRedrawer.kt

@@ -60,10 +60,12 @@ internal abstract class AWTRedrawer(
             if (!isFirstFrameRendered) {
                 deviceAnalytics?.beforeFirstFrameRender()
             }
+            deviceAnalytics?.beforeFrameRender()
             layer.inDrawScope(body)
             if (!isFirstFrameRendered && !isDisposed) {
                 deviceAnalytics?.afterFirstFrameRender()
             }
+            deviceAnalytics?.afterFrameRender()
             isFirstFrameRendered = true
         }
     }

skiko/src/commonMain/kotlin/org/jetbrains/skiko/SkiaLayerAnalytics.kt

@@ -42,6 +42,8 @@ interface SkiaLayerAnalytics {
         fun contextInit() = Unit
         fun beforeFirstFrameRender() = Unit
         fun afterFirstFrameRender() = Unit
+        fun beforeFrameRender() = Unit
+        fun afterFrameRender() = Unit
 
         companion object {
             val Empty = object : DeviceAnalytics {}