Fix logging after memory planning. (pytorch#7812)

Summary:

Print memory planning info in a new line.

Reviewed By: zonglinpeng

Differential Revision: D68465256

Author: hsharma35

backends/cadence/aot/memory_planning.py

@@ -367,6 +367,7 @@ def print_memory_planning_info(
 
     # Print the memory usage per memory space as a table
     logging.info(
+        "\n" +
         tabulate(
             memory_usage_table,
             headers=[
@@ -398,6 +399,7 @@ def print_memory_planning_info(
 
     # Print the total memory usage as a table
     logging.info(
+        "\n" + 
         tabulate(
             total_memory_usage_table,
             tablefmt="outline",