lshal: --debug omits info on parent objects.

Instead, print a short message that contains the information
on the row that it should look up.

Test: lshal --debug
Test: lshal debug -E android.hardware.health@2.0::IHealth/default
Test: lshal_test
Fixes: 160745145
Change-Id: I7d5ab9fba097c0fb0b080ec52682084c65ba9f50
diff --git a/cmds/lshal/DebugCommand.cpp b/cmds/lshal/DebugCommand.cpp
index af22ac9..72958bd 100644
--- a/cmds/lshal/DebugCommand.cpp
+++ b/cmds/lshal/DebugCommand.cpp
@@ -39,7 +39,7 @@
     // Optargs cannnot be used because the flag should not be considered set
     // if it should really be contained in mOptions.
     if (std::string(arg.argv[optind]) == "-E") {
-        mExcludesParentInstances = true;
+        mParentDebugInfoLevel = ParentDebugInfoLevel::NOTHING;
         optind++;
     }
 
@@ -67,7 +67,7 @@
 
     return mLshal.emitDebugInfo(
             pair.first, pair.second.empty() ? "default" : pair.second, mOptions,
-            mExcludesParentInstances,
+            mParentDebugInfoLevel,
             mLshal.out().buf(),
             mLshal.err());
 }