Restrict mavenCentral to exclude react-native older packages

Summary:
This Diff is restricting the scope of `mavenCentral` to do not
include react-native packages. This will make us sure we don't pickup older
versions of react-native.
This specifically is a problem if you're building on a nightly as the version
of RN nightly is `0.0.0.xxx` which is lower than then version on maven central.
More on this here #32326 (comment)

Changelog:
[Internal] [Changed] - Restrict mavenCentral to exclude react-native older packages

Reviewed By: ShikaSD

Differential Revision: D31571803

fbshipit-source-id: d7ce7e82825cbebda2e4e534565d7ab15dba2624

Author: cortinico

build.gradle.kts

@@ -31,7 +31,13 @@ allprojects {
             url = uri("$rootDir/node_modules/detox/Detox-android")
         }
         google()
-        mavenCentral()
+        mavenCentral {
+            // We don't want to fetch react-native from Maven Central as there are
+            // older versions over there.
+            content {
+                excludeGroup("com.facebook.react")
+            }
+        }
     }
 
     // used to override ndk path/version from env variables on CI

template/android/build.gradle

@@ -29,7 +29,13 @@ allprojects {
             // Android JSC is installed from npm
             url("$rootDir/../node_modules/jsc-android/dist")
         }
-        mavenCentral()
+        mavenCentral {
+            // We don't want to fetch react-native from Maven Central as there are
+            // older versions over there.
+            content {
+                excludeGroup "com.facebook.react"
+            }
+        }
         google()
         maven { url 'https://www.jitpack.io' }
     }