Remove support of disabling Jack.

We removed code and variables related to running dx on classes.jar in
this change. Also removed target emma rules (but kept the emma rules for
host java libraries), for it's now done by Jack.
We still support to build classes.jar (and javalib.jar for static Java
libraries) using javac, because tools like javadoc need class files as
input.
Removed the obsolete install-dex-debug.

Bug: 27400061
Change-Id: If0bcdfe62cb181a98754fb0dbe1c12c92e38d3e8
diff --git a/core/package_internal.mk b/core/package_internal.mk
index 1ab2cf8..65b65be 100644
--- a/core/package_internal.mk
+++ b/core/package_internal.mk
@@ -166,12 +166,10 @@
 endif # !custom
 LOCAL_PROGUARD_FLAGS := $(addprefix -include ,$(proguard_options_file)) $(LOCAL_PROGUARD_FLAGS)
 
-ifdef LOCAL_JACK_ENABLED
 ifndef LOCAL_JACK_PROGUARD_FLAGS
     LOCAL_JACK_PROGUARD_FLAGS := $(LOCAL_PROGUARD_FLAGS)
 endif
 LOCAL_JACK_PROGUARD_FLAGS := $(addprefix -include ,$(proguard_options_file)) $(LOCAL_JACK_PROGUARD_FLAGS)
-endif # LOCAL_JACK_ENABLED
 
 ifeq (true,$(EMMA_INSTRUMENT))
 ifndef LOCAL_EMMA_INSTRUMENT
@@ -184,39 +182,22 @@
 LOCAL_EMMA_INSTRUMENT := false
 endif # EMMA_INSTRUMENT is true
 
+ifneq ($(LOCAL_SRC_FILES)$(LOCAL_STATIC_JAVA_LIBRARIES)$(LOCAL_SOURCE_FILES_ALL_GENERATED),)
+# Only add jacocoagent if the package contains some java code
 ifeq (true,$(LOCAL_EMMA_INSTRUMENT))
 ifeq (true,$(EMMA_INSTRUMENT_STATIC))
-ifdef LOCAL_JACK_ENABLED
 # Jack supports coverage with Jacoco
-ifneq ($(LOCAL_SRC_FILES)$(LOCAL_STATIC_JAVA_LIBRARIES)$(LOCAL_SOURCE_FILES_ALL_GENERATED),)
-# Only add jacocoagent if the package contains some java code
 LOCAL_STATIC_JAVA_LIBRARIES += jacocoagent
-endif # Contains java code
-else
-LOCAL_STATIC_JAVA_LIBRARIES += emma
-endif # LOCAL_JACK_ENABLED
-else
+else  # ! EMMA_INSTRUMENT_STATIC
 ifdef LOCAL_SDK_VERSION
 ifdef TARGET_BUILD_APPS
-# In unbundled build merge the emma library into the apk.
-ifdef LOCAL_JACK_ENABLED
 # Jack supports coverage with Jacoco
-ifneq ($(LOCAL_SRC_FILES)$(LOCAL_STATIC_JAVA_LIBRARIES)$(LOCAL_SOURCE_FILES_ALL_GENERATED),)
-# Only add jacocoagent if the package contains some java code
 LOCAL_STATIC_JAVA_LIBRARIES += jacocoagent
-endif # Contains java code
-else
-LOCAL_STATIC_JAVA_LIBRARIES += emma
-endif # LOCAL_JACK_ENABLED
-else
-# If build against the SDK in full build, core.jar is not used,
-# we have to use prebiult emma.jar to make Proguard happy;
-# Otherwise emma classes are included in core.jar.
-LOCAL_PROGUARD_FLAGS += -libraryjars $(EMMA_JAR)
-endif # full build
+endif # TARGET_BUILD_APPS
 endif # LOCAL_SDK_VERSION
-endif # EMMA_INSTRUMENT_STATIC
+endif # ! EMMA_INSTRUMENT_STATIC
 endif # LOCAL_EMMA_INSTRUMENT
+endif # Contains java code
 
 rs_compatibility_jni_libs :=
 
@@ -297,30 +278,13 @@
 	$(add-assets-to-package)
 endif
 
+# Make sure to generate R.java before compiling.
 # Other modules should depend on the BUILT module if
 # they want to use this module's R.java file.
-$(LOCAL_BUILT_MODULE): $(R_file_stamp)
-
-ifdef LOCAL_JACK_ENABLED
-ifneq ($(built_dex_intermediate),)
-$(built_dex_intermediate): $(R_file_stamp)
-endif
-ifneq ($(noshrob_classes_jack),)
-$(noshrob_classes_jack): $(R_file_stamp)
-endif
-ifneq ($(full_classes_jack),)
-$(full_classes_jack): $(R_file_stamp)
-$(jack_check_timestamp): $(R_file_stamp)
-endif
-endif # LOCAL_JACK_ENABLED
-
-ifneq ($(full_classes_jar),)
-# If full_classes_jar is non-empty, we're building sources.
-# If we're building sources, the initial javac step (which
-# produces full_classes_compiled_jar) needs to ensure the
-# R.java and Manifest.java files have been generated first.
-$(full_classes_compiled_jar): $(R_file_stamp)
-endif
+$(LOCAL_BUILT_MODULE) \
+$(full_classes_compiled_jar) \
+$(built_dex_intermediate) $(noshrob_classes_jack) $(full_classes_jack) $(jack_check_timestamp) \
+  :  $(R_file_stamp)
 
 endif  # need_compile_res
 
@@ -363,12 +327,9 @@
 
 ifneq ($(full_classes_jar),)
 $(LOCAL_BUILT_MODULE): PRIVATE_DEX_FILE := $(built_dex)
-# Use the jarjar processed arhive as the initial package file.
-$(LOCAL_BUILT_MODULE): PRIVATE_SOURCE_ARCHIVE := $(full_classes_jarjar_jar)
 $(LOCAL_BUILT_MODULE): $(built_dex)
 else
 $(LOCAL_BUILT_MODULE): PRIVATE_DEX_FILE :=
-$(LOCAL_BUILT_MODULE): PRIVATE_SOURCE_ARCHIVE :=
 endif # full_classes_jar
 
 include $(BUILD_SYSTEM)/install_jni_libs.mk
@@ -427,16 +388,9 @@
     $(LOCAL_BUILT_MODULE): PRIVATE_PRODUCT_AAPT_PREF_CONFIG := $(PRODUCT_AAPT_PREF_CONFIG)
 endif
 endif
-$(LOCAL_BUILT_MODULE): PRIVATE_DONT_DELETE_JAR_DIRS := $(LOCAL_DONT_DELETE_JAR_DIRS)
 $(LOCAL_BUILT_MODULE): $(all_res_assets) $(jni_shared_libraries) $(full_android_manifest)
 	@echo "target Package: $(PRIVATE_MODULE) ($@)"
-ifdef LOCAL_JACK_ENABLED
 	$(create-empty-package)
-else
-	$(if $(PRIVATE_SOURCE_ARCHIVE),\
-	  $(call initialize-package-file,$(PRIVATE_SOURCE_ARCHIVE),$@),\
-	  $(create-empty-package))
-endif
 	$(add-assets-to-package)
 ifneq ($(jni_shared_libraries),)
 	$(add-jni-shared-libs-to-package)
@@ -447,9 +401,7 @@
 else  # full_classes_jar
 	$(add-dex-to-package)
 endif  # full_classes_jar
-ifdef LOCAL_JACK_ENABLED
 	$(add-carried-jack-resources)
-endif
 ifdef LOCAL_DEX_PREOPT
 ifneq ($(BUILD_PLATFORM_ZIP),)
 	@# Keep a copy of apk with classes.dex unstripped