config: Add conversation notification allowlist for older apps

Extracted from the Pixel 2 XL's RP1A.200720.009 stock ROM.

Change-Id: Id5f7d48eb615fb578ef45587983718b4dedf41cf

overlay/common/frameworks/base/core/res/res/values/config.xml

@@ -83,4 +83,23 @@
          Example: "com.android.wellbeing"
      -->
     <string name="config_defaultWellbeingPackage">com.google.android.apps.wellbeing</string>
+
+    <!-- List of packages that can use the Conversation space for their category messages
+    notifications until they target R -->
+    <string-array name="config_notificationMsgPkgsAllowedAsConvos" translatable="false">
+        <item>com.facebook.orca</item>
+        <item>com.instagram.android</item>
+        <item>com.whatsapp</item>
+        <item>com.snapchat.android</item>
+        <item>jp.naver.line.android</item>
+        <item>com.kakao.talk</item>
+        <item>com.discord</item>
+        <item>org.thoughtcrime.securesms</item>
+        <item>com.groupme.android</item>
+        <item>org.telegram.messenger</item>
+        <item>com.twitter.android</item>
+        <item>com.viber.voip</item>
+        <item>com.linkedin.android</item>
+        <item>com.tencent.mm</item>
+    </string-array>
 </resources>