Dist lint reports for apps

Dist the transitive lint report for each unbundled app built by Soong
when lint-check is on the command line.

Bug: 153485543
Test: m TARGET_BUILD_APPS=Gallery2 lint-check dist
Change-Id: Icd2b6f884396fa5f743746099301c325ca82a324
Merged-In: Icd2b6f884396fa5f743746099301c325ca82a324
(cherry picked from commit b842952421)

core/clear_vars.mk

@@ -273,6 +273,7 @@ LOCAL_SOONG_EXPORT_PROGUARD_FLAGS :=
 LOCAL_SOONG_HEADER_JAR :=
 LOCAL_SOONG_JACOCO_REPORT_CLASSES_JAR :=
 LOCAL_SOONG_LINK_TYPE :=
+LOCAL_SOONG_LINT_REPORTS :=
 LOCAL_SOONG_PROGUARD_DICT :=
 LOCAL_SOONG_RESOURCE_EXPORT_PACKAGE :=
 LOCAL_SOONG_DEVICE_RRO_DIRS :=

core/main.mk

@@ -1508,6 +1508,14 @@ ifneq ($(TARGET_BUILD_APPS),)
     $(if $(ALL_MODULES.$(m).BUNDLE),$(ALL_MODULES.$(m).BUNDLE):$(m)-base.zip))
   $(call dist-for-goals,apps_only, $(apps_only_bundle_files))
 
+  # Dist the lint reports if they exist.
+  apps_only_lint_report_files := $(foreach m,$(unbundled_build_modules),\
+    $(foreach report,$(ALL_MODULES.$(m).LINT_REPORTS),\
+      $(report):$(m)-$(notdir $(report))))
+  .PHONY: lint-check
+  lint-check: $(foreach f, $(apps_only_lint_report_files), $(call word-colon,1,$(f)))
+  $(call dist-for-goals,lint-check, $(apps_only_lint_report_files))
+
   # For uninstallable modules such as static Java library, we have to dist the built file,
   # as <module_name>.<suffix>
   apps_only_dist_built_files := $(foreach m,$(unbundled_build_modules),$(if $(ALL_MODULES.$(m).INSTALLED),,\

core/soong_app_prebuilt.mk

@@ -170,6 +170,10 @@ ifdef LOCAL_SOONG_BUNDLE
   ALL_MODULES.$(LOCAL_MODULE).BUNDLE := $(LOCAL_SOONG_BUNDLE)
 endif
 
+ifdef LOCAL_SOONG_LINT_REPORTS
+  ALL_MODULES.$(my_register_name).LINT_REPORTS := $(LOCAL_SOONG_LINT_REPORTS)
+endif
+
 ifndef LOCAL_IS_HOST_MODULE
 ifeq ($(LOCAL_SDK_VERSION),system_current)
 my_link_type := java:system