Define missing static constexpr variables

This will prevent link errors when undefined symbols when compiling at
-O0.  Normally, this isn't a problem, but causes failure when compiling
at -O0 to maximize debugability

Change-Id: Iafe187b6b9344fead1bbc73004e376fad821756b
Signed-off-by: Mark Mendell <mark.p.mendell@intel.com>
diff --git a/compiler/dex/arena_allocator.cc b/compiler/dex/arena_allocator.cc
index 95e44b3..132831c 100644
--- a/compiler/dex/arena_allocator.cc
+++ b/compiler/dex/arena_allocator.cc
@@ -28,6 +28,7 @@
 static constexpr bool kUseMemMap = false;
 static constexpr bool kUseMemSet = true && kUseMemMap;
 static constexpr size_t kValgrindRedZoneBytes = 8;
+constexpr size_t Arena::kDefaultSize;
 
 static const char* alloc_names[ArenaAllocator::kNumAllocKinds] = {
   "Misc       ",
diff --git a/compiler/dex/quick/dex_file_method_inliner.cc b/compiler/dex/quick/dex_file_method_inliner.cc
index fb471ab..b21e37e 100644
--- a/compiler/dex/quick/dex_file_method_inliner.cc
+++ b/compiler/dex/quick/dex_file_method_inliner.cc
@@ -22,6 +22,7 @@
 
 namespace art {
 
+const uint32_t DexFileMethodInliner::kIndexUnresolved;
 const char* DexFileMethodInliner::kClassCacheNames[] = {
     "Z",                       // kClassCacheBoolean
     "B",                       // kClassCacheByte
diff --git a/runtime/base/timing_logger.cc b/runtime/base/timing_logger.cc
index c8dee6d..076bc11 100644
--- a/runtime/base/timing_logger.cc
+++ b/runtime/base/timing_logger.cc
@@ -31,6 +31,8 @@
 
 namespace art {
 
+constexpr size_t CumulativeLogger::kLowMemoryBucketCount;
+constexpr size_t CumulativeLogger::kDefaultBucketCount;
 CumulativeLogger::CumulativeLogger(const std::string& name)
     : name_(name),
       lock_name_("CumulativeLoggerLock" + name),