Optimizing: Tag more arena allocations.

Replace GrowableArray with ArenaVector and tag arena
allocations with new allocation types.

As part of this, make the register allocator a bit more
efficient, doing bulk insert/erase. Some loops are now
O(n) instead of O(n^2).

Change-Id: Ifac0871ffb34b121cc0447801a2d07eefd308c14
diff --git a/runtime/base/arena_allocator.cc b/runtime/base/arena_allocator.cc
index 4e51f55..c1a1088 100644
--- a/runtime/base/arena_allocator.cc
+++ b/runtime/base/arena_allocator.cc
@@ -55,6 +55,7 @@
   "RegAlloc     ",
   "Data         ",
   "STL          ",
+  "GraphBuilder ",
   "Graph        ",
   "BasicBlock   ",
   "BlockList    ",
@@ -74,12 +75,20 @@
   "Environment  ",
   "EnvVRegs     ",
   "EnvLocations ",
+  "LocSummary   ",
   "SsaBuilder   ",
   "MoveOperands ",
   "CodeBuffer   ",
   "StackMaps    ",
   "BaselineMaps ",
   "Optimization ",
+  "GVN          ",
+  "SsaLiveness  ",
+  "SsaPhiElim   ",
+  "RefTypeProp  ",
+  "PrimTypeProp ",
+  "SideEffects  ",
+  "RegAllocator ",
 };
 
 template <bool kCount>