Linking to some docs about configuration caching

Bug: 180423646
Change-Id: I639ab28ee1a324252407421455074190a986f2e6
diff --git a/buildSrc/README.md b/buildSrc/README.md
index a3c72f7..32e6c3d 100644
--- a/buildSrc/README.md
+++ b/buildSrc/README.md
@@ -4,3 +4,8 @@
 Tests for the buildSrc project are located in the buildSrc-tests project, so that the build doesn't need to wait for those tests to complete
 
 To run these tests you can run `./gradlew :buildSrc-tests:test`
+
+For information about Gradle's configuration caching, see:
+  *  https://medium.com/androiddevelopers/configuration-caching-deep-dive-bcb304698070
+  *  https://docs.gradle.org/current/userguide/configuration_cache.html#config_cache:requirements:use_project_during_execution
+  *  https://github.com/gradle/gradle/issues/17813