DO NOT MERGE: Bump CTS and CTS Verifier version to 8.1_r20

Bug: b/153736349
Change-Id: I95b4beec81760ec90f28b675882b3650a9d74ca7
diff --git a/apps/CtsVerifier/AndroidManifest.xml b/apps/CtsVerifier/AndroidManifest.xml
index ab0e0be..d8c341a 100644
--- a/apps/CtsVerifier/AndroidManifest.xml
+++ b/apps/CtsVerifier/AndroidManifest.xml
@@ -18,7 +18,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
       package="com.android.cts.verifier"
       android:versionCode="5"
-      android:versionName="8.1_r19">
+      android:versionName="8.1_r20">
 
     <uses-sdk android:minSdkVersion="19" android:targetSdkVersion="27"/>
 
diff --git a/tools/cts-tradefed/Android.mk b/tools/cts-tradefed/Android.mk
index b731985..f868d62 100644
--- a/tools/cts-tradefed/Android.mk
+++ b/tools/cts-tradefed/Android.mk
@@ -29,7 +29,7 @@
 LOCAL_SUITE_TARGET_ARCH := $(TARGET_ARCH)
 LOCAL_SUITE_NAME := CTS
 LOCAL_SUITE_FULLNAME := "Compatibility Test Suite"
-LOCAL_SUITE_VERSION := 8.1_r19
+LOCAL_SUITE_VERSION := 8.1_r20
 LOCAL_STATIC_JAVA_LIBRARIES += cts-tradefed-harness
 
 LOCAL_MODULE := cts-tradefed