Add space character in Group Conversation title separator am: bde2295410

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Car/Messenger/+/11882470

Change-Id: I517f67dfc37bc847f0d0fe75080e3b29867514be
tree: 0cc4f329d06362620caebd890c4f8526d9300bdf
  1. res/
  2. src/
  3. tests/
  4. Android.bp
  5. AndroidManifest.xml
  6. OWNERS