Update EDM4U dependency to 1.2.175 (#542)

Update EDM4U to its latest release, v1.2.175

Author: DellaBitta

cmake/firebase_unity_version.cmake

@@ -21,7 +21,7 @@ set(FIREBASE_IOS_POD_VERSION "10.1.0"
     CACHE STRING "The version of the top-level Firebase Cocoapod to use.")
 
 # https://github.com/googlesamples/unity-jar-resolver
-set(FIREBASE_UNITY_JAR_RESOLVER_VERSION "1.2.174"
+set(FIREBASE_UNITY_JAR_RESOLVER_VERSION "1.2.175"
    CACHE STRING
   "Version tag of Play Services Resolver to download and use (no trailing .0)"
 )

unity_packer/exports.json

@@ -146,7 +146,7 @@
         "manifest" : {
           "unity": "2018.1",
           "dependencies": {
-            "com.google.external-dependency-manager" : "1.2.174"
+            "com.google.external-dependency-manager" : "1.2.175"
           }
         }
       }