Update VTS tag version to v8.1_R11

Test: mma
Bug:148155248
Change-Id: Ic43942ed52e9d480f99203013c45f6e17ba18cd0
diff --git a/tools/vts-tradefed/Android.mk b/tools/vts-tradefed/Android.mk
index 2108fe5..bce648f 100644
--- a/tools/vts-tradefed/Android.mk
+++ b/tools/vts-tradefed/Android.mk
@@ -24,7 +24,7 @@
 LOCAL_SUITE_TARGET_ARCH := $(TARGET_ARCH)
 LOCAL_SUITE_NAME := VTS
 LOCAL_SUITE_FULLNAME := "Vendor Test Suite"
-LOCAL_SUITE_VERSION := 8.1_R10
+LOCAL_SUITE_VERSION := 8.1_R11
 LOCAL_STATIC_JAVA_LIBRARIES := \
     libvts_protos_host \