chore(spanner): lint fix

Author: harshachinta

google-cloud-spanner/src/main/java/com/google/cloud/spanner/TransactionManagerImpl.java

@@ -103,7 +103,8 @@ public TransactionContext resetForRetry() {
     }
     try (IScope s = tracer.withSpan(span)) {
       /*
-       In case of regular session, explicitBeginBeforeUserOperation field is always true and hence there is no change in behaviour.
+       In case of regular session, explicitBeginBeforeUserOperation field is always true and
+       hence there is no change in behaviour.
 
        If the transaction contains only mutations and is using a multiplexed session, perform a
        `BeginTransaction` after the user operation completes during a retry.

google-cloud-spanner/src/main/java/com/google/cloud/spanner/TransactionRunnerImpl.java

@@ -1242,7 +1242,8 @@ private <T> T runInternal(final TransactionCallable<T> txCallable) {
             useInlinedBegin = txn.transactionId != null;
 
             /*
-             In case of regular session, explicitBeginBeforeUserOperation field is always true and hence there is no change in behaviour.
+             In case of regular session, explicitBeginBeforeUserOperation field is always true and hence
+             there is no change in behaviour.
 
              If the transaction contains only mutations and is using a multiplexed session, perform a
              `BeginTransaction` after the user operation completes during a retry.

google-cloud-spanner/src/test/java/com/google/cloud/spanner/MultiplexedSessionDatabaseClientMockServerTest.java

@@ -1293,8 +1293,7 @@ public void testMutationOnlyUsingAsyncTransactionManager() {
 
   private Spanner setupSpannerForAbortedBeginTransactionTests() {
     // Force the BeginTransaction RPC to return Aborted the first time it is called. The exception
-    // is cleared
-    // after the first call, so the retry should succeed.
+    // is cleared after the first call, so the retry should succeed.
     mockSpanner.setBeginTransactionExecutionTime(
         SimulatedExecutionTime.ofException(
             mockSpanner.createAbortedException(ByteString.copyFromUtf8("test"))));