Cleanup dependencies

* Remove the split between dependencies and dependencies_new
* Move all explicit Kotlin dependencies to 1.9.0
* Update Studio SDK dependencies to version 31.2.0-rc01

Bug: b/299065366
Change-Id: Ib6186ad32dd9ba753c128525446d5921f5e19074
diff --git a/d8_r8/resourceshrinker/settings.gradle.kts b/d8_r8/resourceshrinker/settings.gradle.kts
index d879107..31a3ce7 100644
--- a/d8_r8/resourceshrinker/settings.gradle.kts
+++ b/d8_r8/resourceshrinker/settings.gradle.kts
@@ -5,10 +5,10 @@
 pluginManagement {
   repositories {
     maven {
-      url = uri("file:../../third_party/dependencies")
+      url = uri("file:../../third_party/dependencies_plugin")
     }
     maven {
-      url = uri("file:../../third_party/dependencies_new")
+      url = uri("file:../../third_party/dependencies")
     }
   }
 }
@@ -18,9 +18,6 @@
     maven {
       url = uri("file:../../third_party/dependencies")
     }
-    maven {
-      url = uri("file:../../third_party/dependencies_new")
-    }
   }
 }