Add the "time" compilation filter and output compilation stats.

A "time" compiler filter means the compiler optimizes for
compile time.

Change-Id: Id1a207ceb2d95f3548aae5e45d51b80695da2029
diff --git a/compiler/dex/mir_analysis.cc b/compiler/dex/mir_analysis.cc
index b265ee7..9fa5fac 100644
--- a/compiler/dex/mir_analysis.cc
+++ b/compiler/dex/mir_analysis.cc
@@ -1094,6 +1094,7 @@
       default_cutoff = compiler_options.GetSmallMethodThreshold();
       break;
     case CompilerOptions::kSpeed:
+    case CompilerOptions::kTime:
       small_cutoff = compiler_options.GetHugeMethodThreshold();
       default_cutoff = compiler_options.GetHugeMethodThreshold();
       break;