Need close more Statements

After PHOENIX-6560, we find there are also many Statement not closed...

1. org.apache.phoenix.schema.MetaDataClient
incrementStatement
linkStatement
setAsync
setSync
tableUpsert
linkStatement
incrementStatement
tableUpsert

2. org.apache.phoenix.schema.task.Task
org.apache.phoenix.schema.task.Task#populateTasks
org.apache.phoenix.schema.task.Task#executeStatementAndGetTaskMutations

3. org.apache.phoenix.jdbc.PhoenixStatement.ExecutableShowTablesStatement#compilePlan

4. org.apache.phoenix.trace.PhoenixMetricsSink
org.apache.phoenix.trace.PhoenixMetricsSink#createTable
org.apache.phoenix.trace.PhoenixMetricsSink#putMetrics

5. org.apache.phoenix.trace.TraceWriter.FlushMetrics#addToBatch

6. org.apache.phoenix.trace.TraceWriter#createTable

7. org.apache.phoenix.trace.TraceReader#readAll

8. org.apache.phoenix.mapreduce.index.automation.PhoenixMRJobSubmitter#getCandidateJobs

so may be right, i will raise a PR try to fix all