Moves ui-material, ui-material-icons-core, and ui-material-icons-extended to androidx.compose.material

This CL does not touch package names, or directory structure - only the maven group.

Bug: b/160233169
Test: ./gradlew bOS
Change-Id: I2e5cbf4e0cae3f0453db7d89507c8ee392c33935

diff --git a/ui/ui-material/integration-tests/material-studies/src/main/java/androidx/ui/material/studies/rally/Icons.kt b/ui/ui-material/integration-tests/material-studies/src/main/java/androidx/ui/material/studies/rally/Icons.kt
index b9c2597..16a8967 100644
--- a/ui/ui-material/integration-tests/material-studies/src/main/java/androidx/ui/material/studies/rally/Icons.kt
+++ b/ui/ui-material/integration-tests/material-studies/src/main/java/androidx/ui/material/studies/rally/Icons.kt

@@ -53,11 +53,11 @@
 }
 
 /**
- * Icons below are copied from [Icons.Filled] in ui-material-icons-extended to avoid recompiling the
+ * Icons below are copied from [Icons.Filled] in material-icons-extended to avoid recompiling the
  * module in demos. In the future when we release a stable artifact we could directly depend on
  * that, instead of a project dependency which causes recompilation.
  *
- * If the generated icons change, just build ui-material-icons-extended and copy the generated
+ * If the generated icons change, just build material-icons-extended and copy the generated
  * file, which should appear in Studio sources by searching for the name of that icon.
  */