Allow to request smaps from java hprof.

Fix a latent UI bug that broke compilation because now
JavaHprofConfig has a field that HeapprofdConfig does not.

Bug: 150930222
Change-Id: Ib6e9fa46fa5574b813df971b3ca28c263ba94b02

tools/java_heap_dump

diff --git a/tools/java_heap_dump b/tools/java_heap_dump
index 4860aa8..f84a594 100755
--- a/tools/java_heap_dump
+++ b/tools/java_heap_dump
@@ -95,6 +95,10 @@
       action="store_true",
       help="Do not get version information about APKs.")
   parser.add_argument(
+      "--dump-smaps",
+      action="store_true",
+      help="Get information about /proc/$PID/smaps of target.")
+  parser.add_argument(
       "--print-config",
       action="store_true",
       help="Print config instead of running. For debugging.")
@@ -118,6 +122,8 @@
   if args.name:
     for name in args.name.split(','):
       target_cfg += '{}process_cmdline: "{}"\n'.format(CFG_IDENT, name)
+  if args.dump_smaps:
+    target_cfg += '{}dump_smaps: true\n'.format(CFG_IDENT)
 
   if fail:
     parser.print_help()