Update coroutines to 1.6.1

Changes:
RxJava2/3 integration: Scheduler.asCoroutineDispatcher changed return type
from SchedulerCoroutineDispatcher to CoroutineDispatcher

I also needed to update guava versions due to the updated version from
coroutines.

Bug: 229661426
Test: CI
Change-Id: Ie88077afc68c5ab657ca228e5a93e6fbc9850ef6
diff --git a/room/room-paging-guava/build.gradle b/room/room-paging-guava/build.gradle
index 8f23959..2e69703 100644
--- a/room/room-paging-guava/build.gradle
+++ b/room/room-paging-guava/build.gradle
@@ -47,6 +47,7 @@
     androidTestImplementation(libs.kotlinTestJunit)
     androidTestImplementation(libs.kotlinCoroutinesTest)
     androidTestImplementation(libs.kotlinCoroutinesGuava)
+    androidTestImplementation(libs.guavaAndroid)
     androidTestImplementation("androidx.arch.core:core-testing:2.0.1")
     androidTestImplementation(project(":internal-testutils-common"))
     // depend on the shadowed version so that it tests with the shipped artifact