ART: Detach libart-disassembler from libart

Some more intrusive changes than I would have liked, as long as
ART logging is different from libbase logging.

Fix up some includes.

Bug: 15436106
Bug: 31338270
Test: m test-art-host
Change-Id: I9fbe4b85b2d74e079a4981f3aec9af63b163a461
diff --git a/runtime/arch/instruction_set.cc b/runtime/arch/instruction_set.cc
index b35e088..8f64dcd 100644
--- a/runtime/arch/instruction_set.cc
+++ b/runtime/arch/instruction_set.cc
@@ -19,11 +19,31 @@
 // Explicitly include our own elf.h to avoid Linux and other dependencies.
 #include "../elf.h"
 #include "base/bit_utils.h"
+#include "base/logging.h"
 #include "globals.h"
 
 namespace art {
 
-const char* GetInstructionSetString(const InstructionSet isa) {
+void InstructionSetAbort(InstructionSet isa) {
+  switch (isa) {
+    case kArm:
+    case kThumb2:
+    case kArm64:
+    case kX86:
+    case kX86_64:
+    case kMips:
+    case kMips64:
+    case kNone:
+      LOG(FATAL) << "Unsupported instruction set " << isa;
+      UNREACHABLE();
+
+    default:
+      LOG(FATAL) << "Unknown ISA " << isa;
+      UNREACHABLE();
+  }
+}
+
+const char* GetInstructionSetString(InstructionSet isa) {
   switch (isa) {
     case kArm:
     case kThumb2: