Enable TelephonyMonitor

Enable TelephonyMonitor on userdebug builds

Bug=32589463

Change-Id: I861a4f1276f8026ad04018a841a972854af4aa7a
diff --git a/device-common.mk b/device-common.mk
index 38efcb6..e188307 100644
--- a/device-common.mk
+++ b/device-common.mk
@@ -56,6 +56,10 @@
 PRODUCT_PACKAGES += libGLES_android
 PRODUCT_PACKAGES += SSRestartDetector
 
+ifneq (,$(filter userdebug eng, $(TARGET_BUILD_VARIANT)))
+PRODUCT_PACKAGES += TelephonyMonitor
+endif
+
 # graphics
 PRODUCT_PROPERTY_OVERRIDES += \
     ro.opengles.version=196610