chore(java): allow overriding the versioning section of the Java README (googleapis#495) (googleapis#150)

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

Source-Author: Jeff Ching <[email protected]>
Source-Date: Fri Apr 17 10:04:04 2020 -0700
Source-Repo: googleapis/synthtool
Source-Sha: f8a9933e5e98202b04ef427f28d1d79221190fa4
Source-Link: googleapis/synthtool@f8a9933

Author: yoshi-automation

java-resourcemanager/README.md

@@ -244,13 +244,13 @@ Java 7 or above is required for using this client.
 
 ## Versioning
 
+
 This library follows [Semantic Versioning](http://semver.org/).
 
 
 It is currently in major version zero (``0.y.z``), which means that anything may change at any time
 and the public API should not be considered stable.
 
-
 ## Contributing
 
 

java-resourcemanager/synth.metadata

@@ -4,14 +4,14 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-resourcemanager.git",
-        "sha": "0a6a2a3b5f5055e06137873425585dada8bba4df"
+        "sha": "65636674f14a5bac58f3d02c8b968dfc8418e7e8"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "52638600f387deb98efb5f9c85fec39e82aa9052"
+        "sha": "f8a9933e5e98202b04ef427f28d1d79221190fa4"
       }
     }
   ]