[SPARK-12692][BUILD][GRAPHX] Scala style: Fix the style violation (Space before "," or ":")

Fix the style violation (space before `,` and `:`).
This PR is a followup for #10643.

Author: Kousuke Saruta <sarutak@oss.nttdata.co.jp>

Closes #10683 from sarutak/SPARK-12692-followup-graphx.

graphx/src/main/scala/org/apache/spark/graphx/GraphOps.scala

@@ -21,7 +21,6 @@ import scala.reflect.ClassTag
 import scala.util.Random
 
 import org.apache.spark.SparkException
-import org.apache.spark.SparkContext._
 import org.apache.spark.graphx.lib._
 import org.apache.spark.rdd.RDD
 
@@ -379,7 +378,7 @@ class GraphOps[VD: ClassTag, ED: ClassTag](graph: Graph[VD, ED]) extends Seriali
    * @see [[org.apache.spark.graphx.lib.PageRank$#runUntilConvergenceWithOptions]]
    */
   def personalizedPageRank(src: VertexId, tol: Double,
-    resetProb: Double = 0.15) : Graph[Double, Double] = {
+    resetProb: Double = 0.15): Graph[Double, Double] = {
     PageRank.runUntilConvergenceWithOptions(graph, tol, resetProb, Some(src))
   }
 
@@ -392,7 +391,7 @@ class GraphOps[VD: ClassTag, ED: ClassTag](graph: Graph[VD, ED]) extends Seriali
    * @see [[org.apache.spark.graphx.lib.PageRank$#runWithOptions]]
    */
   def staticPersonalizedPageRank(src: VertexId, numIter: Int,
-    resetProb: Double = 0.15) : Graph[Double, Double] = {
+    resetProb: Double = 0.15): Graph[Double, Double] = {
     PageRank.runWithOptions(graph, numIter, resetProb, Some(src))
   }
 

graphx/src/main/scala/org/apache/spark/graphx/impl/ReplicatedVertexView.scala

@@ -41,8 +41,8 @@ class ReplicatedVertexView[VD: ClassTag, ED: ClassTag](
    * shipping level.
    */
   def withEdges[VD2: ClassTag, ED2: ClassTag](
-      edges_ : EdgeRDDImpl[ED2, VD2]): ReplicatedVertexView[VD2, ED2] = {
-    new ReplicatedVertexView(edges_, hasSrcId, hasDstId)
+      _edges: EdgeRDDImpl[ED2, VD2]): ReplicatedVertexView[VD2, ED2] = {
+    new ReplicatedVertexView(_edges, hasSrcId, hasDstId)
   }
 
   /**

graphx/src/main/scala/org/apache/spark/graphx/impl/ShippableVertexPartition.scala

@@ -102,8 +102,8 @@ class ShippableVertexPartition[VD: ClassTag](
   extends VertexPartitionBase[VD] {
 
   /** Return a new ShippableVertexPartition with the specified routing table. */
-  def withRoutingTable(routingTable_ : RoutingTablePartition): ShippableVertexPartition[VD] = {
-    new ShippableVertexPartition(index, values, mask, routingTable_)
+  def withRoutingTable(_routingTable: RoutingTablePartition): ShippableVertexPartition[VD] = {
+    new ShippableVertexPartition(index, values, mask, _routingTable)
   }
 
   /**

graphx/src/main/scala/org/apache/spark/graphx/impl/VertexPartitionBaseOps.scala

@@ -32,7 +32,7 @@ import org.apache.spark.util.collection.BitSet
  * example, [[VertexPartition.VertexPartitionOpsConstructor]]).
  */
 private[graphx] abstract class VertexPartitionBaseOps
-    [VD: ClassTag, Self[X] <: VertexPartitionBase[X] : VertexPartitionBaseOpsConstructor]
+    [VD: ClassTag, Self[X] <: VertexPartitionBase[X]: VertexPartitionBaseOpsConstructor]
     (self: Self[VD])
   extends Serializable with Logging {
 

graphx/src/main/scala/org/apache/spark/graphx/lib/PageRank.scala

@@ -138,7 +138,7 @@ object PageRank extends Logging {
       // edge partitions.
       prevRankGraph = rankGraph
       val rPrb = if (personalized) {
-        (src: VertexId , id: VertexId) => resetProb * delta(src, id)
+        (src: VertexId, id: VertexId) => resetProb * delta(src, id)
       } else {
         (src: VertexId, id: VertexId) => resetProb
       }