Break apart header files.

Create libart-gtest for common runtime and compiler gtest routines.
Rename CompilerCallbacksImpl that is quick compiler specific.
Rename trace clock source constants to not use the overloaded profiler term.

Change-Id: I4aac4bdc7e7850c68335f81e59a390133b54e933
diff --git a/compiler/Android.mk b/compiler/Android.mk
index 98a4c2f..02dad2a 100644
--- a/compiler/Android.mk
+++ b/compiler/Android.mk
@@ -72,6 +72,7 @@
 	dex/verification_results.cc \
 	dex/vreg_analysis.cc \
 	dex/ssa_transformation.cc \
+	dex/quick_compiler_callbacks.cc \
 	driver/compiler_driver.cc \
 	driver/dex_compilation_unit.cc \
 	jni/quick/arm/calling_convention_arm.cc \