Enable jdiff for api-stubs-docs

And also clean legacy MK code in Android.mk

Test: api-stubs-docs-diff
Bug: b/78245848
Change-Id: I733e0e2c29f8273db3ffb9730c70d5b4e2b1438d
diff --git a/Android.bp b/Android.bp
index 3a5fcfa..da46917 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1571,6 +1571,7 @@
             removed_api_file: "api/removed.txt",
         },
     },
+    jdiff_enabled: true,
 }
 
 droidstubs {
@@ -1595,6 +1596,7 @@
             removed_api_file: "api/system-removed.txt",
         },
     },
+    jdiff_enabled: true,
 }
 
 droidstubs {
diff --git a/Android.mk b/Android.mk
index 5c4c237..5e86e89 100644
--- a/Android.mk
+++ b/Android.mk
@@ -53,262 +53,10 @@
 	cat $^ | sort -u > $@.tmp
 	$(call commit-change-for-toc,$@)
 
-# the documentation
-# ============================================================
-
-# TODO: deal with com/google/android/googleapps
-packages_to_document := \
-  android \
-  javax/microedition/khronos \
-  org/apache/http/conn \
-  org/apache/http/params \
-
-# include definition of libcore_to_document
-include libcore/Docs.mk
-
-non_base_dirs := \
-  ../opt/telephony/src/java/android/telephony \
-  ../opt/telephony/src/java/android/telephony/gsm \
-  ../opt/net/voip/src/java/android/net/rtp \
-  ../opt/net/voip/src/java/android/net/sip \
-
-# Find all files in specific directories (relative to frameworks/base)
-# to document and check apis
-files_to_check_apis := \
-  $(call find-other-java-files, \
-    $(non_base_dirs) \
-  )
-
-# Find all files in specific packages that were used to compile
-# framework.jar to document and check apis
-files_to_check_apis += \
-  $(addprefix ../../,\
-    $(filter \
-      $(foreach dir,$(FRAMEWORKS_BASE_JAVA_SRC_DIRS),\
-        $(foreach package,$(packages_to_document),\
-          $(dir)/$(package)/%.java)),\
-      $(SOONG_FRAMEWORK_SRCS)))
-
-# Find all generated files that were used to compile framework.jar
-files_to_check_apis_generated := \
-  $(filter $(OUT_DIR)/%,\
-    $(SOONG_FRAMEWORK_SRCS))
-
-# These are relative to frameworks/base
-# FRAMEWORKS_BASE_SUBDIRS comes from build/core/pathmap.mk
-files_to_document := \
-  $(files_to_check_apis) \
-  $(call find-other-java-files,\
-    test-base/src \
-    test-mock/src \
-    test-runner/src)
-
-# These are relative to frameworks/base
-html_dirs := \
-	$(FRAMEWORKS_BASE_SUBDIRS) \
-	$(non_base_dirs) \
-
-# Common sources for doc check and api check
-common_src_files := \
-	$(call find-other-html-files, $(html_dirs)) \
-	$(addprefix ../../, $(libcore_to_document)) \
-
-# These are relative to frameworks/base
-framework_docs_LOCAL_SRC_FILES := \
-  $(files_to_document) \
-  $(common_src_files) \
-
-# These are relative to frameworks/base
-framework_docs_LOCAL_API_CHECK_SRC_FILES := \
-  $(files_to_check_apis) \
-  $(common_src_files) \
-
 # This is used by ide.mk as the list of source files that are
 # always included.
 INTERNAL_SDK_SOURCE_DIRS := $(addprefix $(LOCAL_PATH)/,$(dirs_to_document))
 
-framework_docs_LOCAL_DROIDDOC_SOURCE_PATH := \
-	$(FRAMEWORKS_BASE_JAVA_SRC_DIRS)
-
-framework_docs_LOCAL_SRCJARS := $(SOONG_FRAMEWORK_SRCJARS)
-
-framework_docs_LOCAL_GENERATED_SOURCES := \
-  $(libcore_to_document_generated) \
-  $(files_to_check_apis_generated) \
-
-framework_docs_LOCAL_API_CHECK_JAVA_LIBRARIES := \
-	core-oj \
-	core-libart \
-	conscrypt \
-	bouncycastle \
-	okhttp \
-	ext \
-	framework \
-	voip-common \
-
-# Platform docs can refer to Support Library APIs, but we don't actually build
-# them as part of the docs target, so we need to include them on the classpath.
-framework_docs_LOCAL_JAVA_LIBRARIES := \
-	$(framework_docs_LOCAL_API_CHECK_JAVA_LIBRARIES) \
-	$(FRAMEWORKS_SUPPORT_JAVA_LIBRARIES)
-
-framework_docs_LOCAL_MODULE_CLASS := JAVA_LIBRARIES
-framework_docs_LOCAL_DROIDDOC_HTML_DIR := docs/html
-# The since flag (-since N.xml API_LEVEL) is used to add API Level information
-# to the reference documentation. Must be in order of oldest to newest.
-#
-# Conscrypt (com.android.org.conscrypt) is an implementation detail and should
-# not be referenced in the documentation.
-framework_docs_LOCAL_DROIDDOC_OPTIONS := \
-    -android \
-    -knowntags ./frameworks/base/docs/knowntags.txt \
-    -knowntags ./libcore/known_oj_tags.txt \
-    -manifest ./frameworks/base/core/res/AndroidManifest.xml \
-    -hidePackage com.android.internal \
-    -hidePackage com.android.internal.util \
-    -hidePackage com.android.okhttp \
-    -hidePackage com.android.org.conscrypt \
-    -hidePackage com.android.server
-
-# Convert an sdk level to a "since" argument.
-since-arg = -since $(wildcard $(HISTORICAL_SDK_VERSIONS_ROOT)/$(1)/public/api/android.$(2)) $(1)
-
-finalized_xml_sdks := $(call numerically_sort,\
-    $(patsubst $(HISTORICAL_SDK_VERSIONS_ROOT)/%/public/api/android.xml,%,\
-    $(wildcard $(HISTORICAL_SDK_VERSIONS_ROOT)/*/public/api/android.xml)))
-finalized_txt_sdks := $(call numerically_sort,\
-     $(patsubst $(HISTORICAL_SDK_VERSIONS_ROOT)/%/public/api/android.txt,%,\
-    $(wildcard $(HISTORICAL_SDK_VERSIONS_ROOT)/*/public/api/android.txt)))
-
-framework_docs_LOCAL_DROIDDOC_OPTIONS += $(foreach sdk,$(finalized_xml_sdks),$(call since-arg,$(sdk),xml))
-framework_docs_LOCAL_DROIDDOC_OPTIONS += $(foreach sdk,$(finalized_txt_sdks),$(call since-arg,$(sdk),txt))
-ifneq ($(PLATFORM_VERSION_CODENAME),REL)
-  framework_docs_LOCAL_DROIDDOC_OPTIONS += \
-      -since ./frameworks/base/api/current.txt $(PLATFORM_VERSION_CODENAME)
-endif
-framework_docs_LOCAL_DROIDDOC_OPTIONS += \
-    -werror -lerror -hide 111 -hide 113 -hide 125 -hide 126 -hide 127 -hide 128 \
-    -overview $(LOCAL_PATH)/core/java/overview.html
-
-framework_docs_LOCAL_API_CHECK_ADDITIONAL_JAVA_DIR:= \
-	$(call intermediates-dir-for,JAVA_LIBRARIES,framework,,COMMON)
-
-framework_docs_LOCAL_ADDITIONAL_JAVA_DIR:= \
-	$(framework_docs_LOCAL_API_CHECK_ADDITIONAL_JAVA_DIR)
-
-framework_docs_LOCAL_ADDITIONAL_DEPENDENCIES := \
-    frameworks/base/docs/knowntags.txt \
-    $(libcore_to_document_generated)
-
-samples_dir := development/samples/browseable
-
-# Whitelist of valid groups, used for default TOC grouping. Each sample must
-# belong to one (and only one) group. Assign samples to groups by setting
-# a sample.group var to one of these groups in the sample's _index.jd.
-sample_groups := -samplegroup Admin \
-                 -samplegroup Background \
-                 -samplegroup Connectivity \
-                 -samplegroup Content \
-                 -samplegroup Input \
-                 -samplegroup Media \
-                 -samplegroup Notification \
-                 -samplegroup RenderScript \
-                 -samplegroup Security \
-                 -samplegroup Sensors \
-                 -samplegroup System \
-                 -samplegroup Testing \
-                 -samplegroup UI \
-                 -samplegroup Views \
-                 -samplegroup Wearable
-
-## SDK version identifiers used in the published docs
-  # major[.minor] version for current SDK. (full releases only)
-framework_docs_SDK_VERSION:=7.0
-  # release version (ie "Release x")  (full releases only)
-framework_docs_SDK_REL_ID:=1
-
-framework_docs_LOCAL_DROIDDOC_OPTIONS += \
-		-hdf dac true \
-		-hdf sdk.codename O \
-		-hdf sdk.preview.version 1 \
-		-hdf sdk.version $(framework_docs_SDK_VERSION) \
-		-hdf sdk.rel.id $(framework_docs_SDK_REL_ID) \
-		-hdf sdk.preview 0 \
-		-resourcesdir $(LOCAL_PATH)/docs/html/reference/images/ \
-		-resourcesoutdir reference/android/images/
-
-# Federate Support Library references against local API file.
-framework_docs_LOCAL_DROIDDOC_OPTIONS += \
-		-federate SupportLib https://developer.android.com \
-		-federationapi SupportLib prebuilts/sdk/current/support-api.txt
-
-# Federate AndroidX references against local API file.
-framework_docs_LOCAL_DROIDDOC_OPTIONS += \
-		-federate AndroidX https://developer.android.com \
-		-federationapi AndroidX prebuilts/sdk/current/androidx-api.txt
-
-# Get the highest numbered api txt for the given api level.
-# $(1): the api level (e.g. public, system)
-define highest_sdk_txt
-$(HISTORICAL_SDK_VERSIONS_ROOT)/$(lastword $(call numerically_sort, \
-    $(patsubst \
-        $(HISTORICAL_SDK_VERSIONS_ROOT)/%,\
-        %,\
-        $(wildcard $(HISTORICAL_SDK_VERSIONS_ROOT)/*/$(1)/api/android.txt)\
-    ) \
-))
-endef
-
-# ====  Public API diff ===========================
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES := $(framework_docs_LOCAL_API_CHECK_SRC_FILES)
-LOCAL_GENERATED_SOURCES := $(framework_docs_LOCAL_GENERATED_SOURCES)
-LOCAL_SRCJARS:=$(framework_docs_LOCAL_SRCJARS)
-LOCAL_JAVA_LIBRARIES := $(framework_docs_LOCAL_API_CHECK_JAVA_LIBRARIES)
-LOCAL_MODULE_CLASS := $(framework_docs_LOCAL_MODULE_CLASS)
-LOCAL_ADDITIONAL_JAVA_DIR := $(framework_docs_LOCAL_API_CHECK_ADDITIONAL_JAVA_DIR)
-LOCAL_ADDITIONAL_DEPENDENCIES := \
-	$(framework_docs_LOCAL_ADDITIONAL_DEPENDENCIES) \
-	$(INTERNAL_PLATFORM_API_FILE)
-
-LOCAL_MODULE := offline-sdk-referenceonly
-
-# Basename, because apidiff adds .txt internally.
-LOCAL_APIDIFF_OLDAPI := $(basename $(call highest_sdk_txt,public))
-LOCAL_APIDIFF_NEWAPI := $(LOCAL_PATH)/../../$(basename $(INTERNAL_PLATFORM_API_FILE))
-
-include $(BUILD_APIDIFF)
-
-# Hack to get diffs included in docs output
-out_zip := $(OUT_DOCS)/$(LOCAL_MODULE)-docs.zip
-$(out_zip): $(full_target)
-
-# ====  System API diff ===========================
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES := $(framework_docs_LOCAL_API_CHECK_SRC_FILES)
-LOCAL_GENERATED_SOURCES := $(framework_docs_LOCAL_GENERATED_SOURCES)
-LOCAL_SRCJARS:=$(framework_docs_LOCAL_SRCJARS)
-LOCAL_JAVA_LIBRARIES := $(framework_docs_LOCAL_API_CHECK_JAVA_LIBRARIES)
-LOCAL_MODULE_CLASS := $(framework_docs_LOCAL_MODULE_CLASS)
-LOCAL_ADDITIONAL_JAVA_DIR := $(framework_docs_LOCAL_API_CHECK_ADDITIONAL_JAVA_DIR)
-LOCAL_ADDITIONAL_DEPENDENCIES := \
-	$(framework_docs_LOCAL_ADDITIONAL_DEPENDENCIES) \
-	$(INTERNAL_PLATFORM_SYSTEM_API_FILE)
-
-LOCAL_MODULE := offline-system-sdk-referenceonly
-
-# Basename, because apidiff adds .txt internally.
-LOCAL_APIDIFF_OLDAPI := $(basename $(call highest_sdk_txt,system))
-LOCAL_APIDIFF_NEWAPI := $(LOCAL_PATH)/../../$(basename $(INTERNAL_PLATFORM_SYSTEM_API_FILE))
-
-include $(BUILD_APIDIFF)
-
-# Hack to get diffs included in docs output
-out_zip := $(OUT_DOCS)/$(LOCAL_MODULE)-docs.zip
-$(out_zip): $(full_target)
-
 $(call dist-for-goals,sdk,$(INTERNAL_PLATFORM_API_FILE))
 $(call dist-for-goals,sdk,$(INTERNAL_PLATFORM_SYSTEM_API_FILE))
 $(call dist-for-goals,sdk,$(INTERNAL_PLATFORM_TEST_API_FILE))