Merge "Simplify the collector names."
diff --git a/runtime/gc/collector/concurrent_copying.cc b/runtime/gc/collector/concurrent_copying.cc
index cebb566..e1117e6 100644
--- a/runtime/gc/collector/concurrent_copying.cc
+++ b/runtime/gc/collector/concurrent_copying.cc
@@ -58,7 +58,7 @@
                                      bool measure_read_barrier_slow_path)
     : GarbageCollector(heap,
                        name_prefix + (name_prefix.empty() ? "" : " ") +
-                       "concurrent copying + mark sweep"),
+                       "concurrent copying"),
       region_space_(nullptr), gc_barrier_(new Barrier(0)),
       gc_mark_stack_(accounting::ObjectStack::Create("concurrent copying gc mark stack",
                                                      kDefaultGcMarkStackSize,
diff --git a/runtime/gc/collector/semi_space.cc b/runtime/gc/collector/semi_space.cc
index a815b83..f2aa5a7 100644
--- a/runtime/gc/collector/semi_space.cc
+++ b/runtime/gc/collector/semi_space.cc
@@ -89,7 +89,7 @@
 
 SemiSpace::SemiSpace(Heap* heap, bool generational, const std::string& name_prefix)
     : GarbageCollector(heap,
-                       name_prefix + (name_prefix.empty() ? "" : " ") + "marksweep + semispace"),
+                       name_prefix + (name_prefix.empty() ? "" : " ") + "semispace"),
       mark_stack_(nullptr),
       is_large_object_space_immune_(false),
       to_space_(nullptr),