Introduces kotlin coroutine which simplifies async programming.
(go/android-kotlin-coroutines)

https://github.com/Kotlin/kotlinx.coroutines

Bug: 149713060
Test: write coroutine code and verify it compiles
Change-Id: Ic3c1daa103a18d3c0cfc0ae0840e186b1cdc18d7
diff --git a/packages/SystemUI/Android.bp b/packages/SystemUI/Android.bp
index f63365b..b55d246 100644
--- a/packages/SystemUI/Android.bp
+++ b/packages/SystemUI/Android.bp
@@ -63,6 +63,8 @@
         "androidx.lifecycle_lifecycle-extensions",
         "androidx.dynamicanimation_dynamicanimation",
         "androidx-constraintlayout_constraintlayout",
+        "kotlinx-coroutines-android",
+        "kotlinx-coroutines-core",
         "iconloader_base",
         "SystemUI-tags",
         "SystemUI-proto",