Add code for communicating with carrier servers

Add code to
* Authenticate with carrier servers
* Upload pictures via HTTP
* Download pictures via HTTP

Test: atest CallComposerAuthTest
Bug: 175435766
Change-Id: I22362c694867c75ea209a021e383a08d730c7972
diff --git a/Android.bp b/Android.bp
index e7ca068..6f97d86 100644
--- a/Android.bp
+++ b/Android.bp
@@ -24,6 +24,7 @@
         "ims-common",
         "libprotobuf-java-lite",
         "unsupportedappusage",
+        "org.apache.http.legacy",
     ],
 
     static_libs: [
@@ -36,6 +37,7 @@
         "guava",
         "PlatformProperties",
         "modules-utils-os",
+        "nist-sip",
     ],
 
     srcs: [