chore(java): allow overriding the versioning section of the Java READ…

…ME (googleapis#495) (googleapis#161)

Allows setting a `versioning` section in `.readme-partials.yaml` to override the versioning section.

Source-Author: Jeff Ching <chingor@google.com>
Source-Date: Fri Apr 17 10:04:04 2020 -0700
Source-Repo: googleapis/synthtool
Source-Sha: f8a9933e5e98202b04ef427f28d1d79221190fa4
Source-Link: googleapis/synthtool@f8a9933

README.md

@@ -101,8 +101,8 @@ Java 7 or above is required for using this client.
 
 ## Versioning
 
-This library follows [Semantic Versioning](http://semver.org/).
 
+This library follows [Semantic Versioning](http://semver.org/).
 
 
 ## Contributing

synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-asset.git",
-        "sha": "98ac8e0f5120e5eab27e6146024f6a742b42d82e"
+        "sha": "ac19258af2067f9bacaca35620821dacc9f4af1d"
       }
     },
     {
@@ -51,7 +51,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "52638600f387deb98efb5f9c85fec39e82aa9052"
+        "sha": "f8a9933e5e98202b04ef427f28d1d79221190fa4"
       }
     }
   ],