explicit destroy for allocations around shadows

client/android/div/src/main/java/com/yandex/div/core/view2/ShadowCache.kt

@@ -143,6 +143,8 @@ internal object ShadowCache {
         }
 
         outAllocation.copyTo(out)
+        outAllocation.destroy()
+        inAllocation.destroy()
     }
 
     private fun Bitmap.toNinePatch() =

client/android/div/src/main/java/com/yandex/div/core/view2/divs/widgets/ImageUtils.kt

@@ -87,6 +87,8 @@ internal fun Bitmap.getBlurredBitmap(
         forEach(output)
     }
     output.copyTo(bitmap)
+    input.destroy()
+    output.destroy()
     return bitmap
 }