Revert "Revert "Revert "Revert "JIT root tables.""""

Test: 626-set-resolved-string, test-art-host, test-art-target
Test: run-libcore-tests.sh
Test: phone boots and runs

This reverts commit 3395fbc20bcd20948bec8958db91b304c17cacd8.

Change-Id: I104b73d093e3eb6a271d564cfdb9ab09c1c8cf24
diff --git a/compiler/optimizing/code_generator_mips.cc b/compiler/optimizing/code_generator_mips.cc
index 573bb50..fcbb8f0 100644
--- a/compiler/optimizing/code_generator_mips.cc
+++ b/compiler/optimizing/code_generator_mips.cc
@@ -5207,6 +5207,11 @@
     case HLoadString::LoadKind::kDexCacheViaMethod:
       fallback_load = false;
       break;
+    case HLoadString::LoadKind::kJitTableAddress:
+      DCHECK(Runtime::Current()->UseJitCompilation());
+      // TODO: implement.
+      fallback_load = true;
+      break;
   }
   if (fallback_load) {
     desired_string_load_kind = HLoadString::LoadKind::kDexCacheViaMethod;