sm8450-common: Build xiaomi-telephony-stub

To provide the required Xiaomi IMS methods

Change-Id: I1e75476a0d2ed55b5eae2a0a2c6ca4c3c4e2c0f1

common.mk

@@ -463,10 +463,12 @@ PRODUCT_PACKAGES += \
     qti-telephony-utils-prd \
     qti_telephony_utils.xml \
     qti_telephony_utils_prd.xml \
-    telephony-ext
+    telephony-ext \
+    xiaomi-telephony-stub
 
 PRODUCT_BOOT_JARS += \
-    telephony-ext
+    telephony-ext \
+    xiaomi-telephony-stub
 
 PRODUCT_COPY_FILES += \
     frameworks/native/data/etc/android.hardware.telephony.cdma.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.telephony.cdma.xml \