[RCS] Populate parameters relavent to Digest auth

Test: by TestRcsApp manually

Change-Id: Ie52e2700ceeceae316bbbf2cedffb8b57d219251
diff --git a/testapps/TestRcsApp/TestApp/Android.bp b/testapps/TestRcsApp/TestApp/Android.bp
index 4496a8e..cda7d17 100644
--- a/testapps/TestRcsApp/TestApp/Android.bp
+++ b/testapps/TestRcsApp/TestApp/Android.bp
@@ -21,6 +21,8 @@
         "libphonenumber-platform"
     ],
 
+    libs: ["org.apache.http.legacy"],
+
     certificate: "platform",
     privileged: true,
     product_specific: true,