Migrated various apps under packages/services/Telephony/testapps  to androidx

Bug: 76692459
Test: make ImsTestApp EmbmsTestDownloadApp
Change-Id: I33fc9ae958d61b1e56e80fa7e3ff00cd5e5cfefb
diff --git a/testapps/ImsTestService/Android.mk b/testapps/ImsTestService/Android.mk
index 29df224..2869c86 100644
--- a/testapps/ImsTestService/Android.mk
+++ b/testapps/ImsTestService/Android.mk
@@ -5,10 +5,10 @@
 LOCAL_MODULE_TAGS := optional
 
 LOCAL_STATIC_ANDROID_LIBRARIES := \
-    android-support-v4 \
-    android-support-v7-appcompat \
-    android-support-v7-recyclerview \
-    android-support-v7-cardview
+    androidx.legacy_legacy-support-v4 \
+    androidx.appcompat_appcompat \
+    androidx.recyclerview_recyclerview \
+    androidx.cardview_cardview
 
 LOCAL_USE_AAPT2 := true