Replace use of deprecated target androidx-test

Test: make Launcher3Tests
Change-Id: Ib14fd9da1df3c022d39efb69660ff59b8a47db5d
diff --git a/tests/Android.mk b/tests/Android.mk
index d808873..a787537 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -21,7 +21,8 @@
 include $(CLEAR_VARS)
 LOCAL_STATIC_JAVA_LIBRARIES := \
 	androidx.annotation_annotation \
-	androidx-test \
+	androidx.test.runner \
+	androidx.test.rules \
 	androidx.test.uiautomator_uiautomator \
 	libSharedSystemUI
 
@@ -42,7 +43,8 @@
 
 LOCAL_MODULE_TAGS := tests
 LOCAL_STATIC_JAVA_LIBRARIES := \
-	androidx-test \
+	androidx.test.runner \
+	androidx.test.rules \
 	androidx.test.uiautomator_uiautomator \
 	mockito-target-minus-junit4