Add more VerifyObject calls.

Added verify object calls to SirtRef, IndirectReferenceTable,
ReferenceTable.

Removed un-needed verify object in ScopedObjectAccess / DecodeJObject
since object sources are handled.

Bug: 12934910
Change-Id: I55a46a8ea61fed2a77526eda27fd2cce97a9b125
diff --git a/runtime/reference_table.cc b/runtime/reference_table.cc
index f43a15b..a3119bb 100644
--- a/runtime/reference_table.cc
+++ b/runtime/reference_table.cc
@@ -40,6 +40,7 @@
 
 void ReferenceTable::Add(mirror::Object* obj) {
   DCHECK(obj != NULL);
+  VerifyObject(obj);
   if (entries_.size() >= max_size_) {
     LOG(FATAL) << "ReferenceTable '" << name_ << "' "
                << "overflowed (" << max_size_ << " entries)";