Make avatar in conversation activity tappable

Fixes #7025
// FREEBIE

res/layout/conversation_title_view.xml

@@ -13,6 +13,8 @@
                android:layout_height="wrap_content"
                android:src="@drawable/ic_arrow_back_white_24dp"
                android:clickable="true"
+               android:paddingRight="15dp"
+               android:paddingEnd="15dp"
                android:layout_marginRight="15dp"
                android:layout_marginEnd="15dp"
                android:layout_alignParentLeft="true"
@@ -32,6 +34,7 @@
             android:layout_marginEnd="10dp"
             android:cropToPadding="true"
             android:transitionName="contact_photo"
+            android:clickable="true"
             app:inverted="true"
             tools:src="@drawable/ic_contact_picture"
             android:contentDescription="@string/conversation_list_item_view__contact_photo_image"/>

src/org/thoughtcrime/securesms/ConversationTitleView.java

@@ -80,6 +80,7 @@ public class ConversationTitleView extends RelativeLayout {
   @Override
   public void setOnClickListener(@Nullable OnClickListener listener) {
     this.content.setOnClickListener(listener);
+    this.avatar.setOnClickListener(listener);
   }
 
   public void setOnBackClickedListener(@Nullable OnClickListener listener) {

src/org/thoughtcrime/securesms/components/AvatarImageView.java

@@ -15,9 +15,10 @@ import org.thoughtcrime.securesms.contacts.avatars.ContactColors;
 import org.thoughtcrime.securesms.contacts.avatars.ContactPhotoFactory;
 import org.thoughtcrime.securesms.recipients.Recipient;
 
-public class AvatarImageView extends ImageView {
+public class AvatarImageView extends android.support.v7.widget.AppCompatImageView {
 
   private boolean inverted;
+  private OnClickListener listener = null;
 
   public AvatarImageView(Context context) {
     super(context);
@@ -35,6 +36,12 @@ public class AvatarImageView extends ImageView {
     }
   }
 
+  @Override
+  public void setOnClickListener(OnClickListener listener) {
+    this.listener = listener;
+    super.setOnClickListener(listener);
+  }
+
   public void setAvatar(final @Nullable Recipient recipient, boolean quickContactEnabled) {
     if (recipient != null) {
       MaterialColor backgroundColor = recipient.getColor();
@@ -42,7 +49,7 @@ public class AvatarImageView extends ImageView {
       setAvatarClickHandler(recipient, quickContactEnabled);
     } else {
       setImageDrawable(ContactPhotoFactory.getDefaultContactPhoto(null).asDrawable(getContext(), ContactColors.UNKNOWN_COLOR.toConversationColor(getContext()), inverted));
-      setOnClickListener(null);
+      super.setOnClickListener(listener);
     }
   }
 
@@ -66,7 +73,7 @@ public class AvatarImageView extends ImageView {
         }
       });
     } else {
-      setOnClickListener(null);
+      super.setOnClickListener(listener);
     }
   }
 }