Implement most of VMStack and some of Zygote.

Change-Id: I07e18259a0452a2a9b077148f4f1ca67d3f63427
diff --git a/build/Android.common.mk b/build/Android.common.mk
index 0f12340..b115e2e 100644
--- a/build/Android.common.mk
+++ b/build/Android.common.mk
@@ -86,8 +86,10 @@
 	src/compiler/codegen/arm/Assemble.cc \
 	src/compiler/codegen/arm/LocalOptimizations.cc \
 	src/compiler/codegen/arm/armv7-a/Codegen.cc \
+	src/dalvik_system_VMDebug.cc \
 	src/dalvik_system_VMRuntime.cc \
 	src/dalvik_system_VMStack.cc \
+	src/dalvik_system_Zygote.cc \
 	src/dex_cache.cc \
 	src/dex_file.cc \
 	src/dex_instruction.cc \
@@ -99,7 +101,6 @@
 	src/image_writer.cc \
 	src/indirect_reference_table.cc \
 	src/intern_table.cc \
-	src/dalvik_system_VMDebug.cc \
 	src/java_lang_Class.cc \
 	src/java_lang_Object.cc \
 	src/java_lang_Runtime.cc \