Support people search results

+ Introduce temporary workaround icon loading with URLConnection for play results

Manual: go/search-action-icon

Bug: 177223401
Test: Manual
Change-Id: Ie8e7963447640d98abb9830ec05f26b28ec58345

src_plugins/com/android/systemui/plugins/shared/SearchTargetEventLegacy.java

@@ -20,7 +20,7 @@ import android.os.Bundle;
 /**
  * Event used for the feedback loop to the plugin. (and future aiai)
  *
- * @deprecated Use SearchTargetEvent
+ * @deprecated Use {@link android.app.search.SearchTargetEvent}
  */
 @Deprecated
 public class SearchTargetEventLegacy {