Revert "Revert "Inject minSdkVersion from the build system""

This reverts commit 4cd1a75.

PackageParser no longer treats minSdkVersion=Q as targetSdkVersion=Q
when targetSdkVersion is set to a number.

Bug: 110167203
Bug: 110353795
Change-Id: Ib44743e4c49e59cd29a57af1bf885090e380b1b6

core/android_manifest.mk

@@ -6,9 +6,9 @@ ifeq ($(strip $(LOCAL_MANIFEST_FILE)),)
   LOCAL_MANIFEST_FILE := AndroidManifest.xml
 endif
 ifdef LOCAL_FULL_MANIFEST_FILE
-  full_android_manifest := $(LOCAL_FULL_MANIFEST_FILE)
+  main_android_manifest := $(LOCAL_FULL_MANIFEST_FILE)
 else
-  full_android_manifest := $(LOCAL_PATH)/$(LOCAL_MANIFEST_FILE)
+  main_android_manifest := $(LOCAL_PATH)/$(LOCAL_MANIFEST_FILE)
 endif
 
 LOCAL_STATIC_JAVA_AAR_LIBRARIES := $(strip $(LOCAL_STATIC_JAVA_AAR_LIBRARIES))
@@ -32,18 +32,35 @@ ifdef LOCAL_STATIC_JAVA_AAR_LIBRARIES
   endif
 endif
 
+full_android_manifest := $(intermediates.COMMON)/manifest/AndroidManifest.xml
+
+ifdef LOCAL_MIN_SDK_VERSION
+  $(full_android_manifest): PRIVATE_MIN_SDK_VERSION := $(LOCAL_MIN_SDK_VERSION)
+else ifneq (,$(filter-out current system_current test_current core_current, $(LOCAL_SDK_VERSION)))
+  $(full_android_manifest): PRIVATE_MIN_SDK_VERSION := $(call get-numeric-sdk-version,$(LOCAL_SDK_VERSION))
+else
+  $(full_android_manifest): PRIVATE_MIN_SDK_VERSION := $(DEFAULT_APP_TARGET_SDK)
+endif
+
 # Set up rules to merge library manifest files
 ifneq (,$(strip $(my_full_libs_manifest_files)))
 
-main_android_manifest := $(full_android_manifest)
-full_android_manifest := $(intermediates.COMMON)/manifest/AndroidManifest.xml
 $(full_android_manifest): PRIVATE_LIBS_MANIFESTS := $(my_full_libs_manifest_files)
 $(full_android_manifest): $(ANDROID_MANIFEST_MERGER_CLASSPATH)
+$(full_android_manifest): $(MANIFEST_FIXER)
 $(full_android_manifest) : $(main_android_manifest) $(my_full_libs_manifest_files)
 	@echo "Merge android manifest files: $@ <-- $< $(PRIVATE_LIBS_MANIFESTS)"
 	@mkdir -p $(dir $@)
-	$(hide) $(ANDROID_MANIFEST_MERGER) --main $< \
+	$(MANIFEST_FIXER) $< $@.tmp --minSdkVersion $(PRIVATE_MIN_SDK_VERSION)
+	$(hide) $(ANDROID_MANIFEST_MERGER) --main $@.tmp \
 	    --libs $(call normalize-path-list,$(PRIVATE_LIBS_MANIFESTS)) \
 	    --out $@
+	rm $@.tmp
+
+else
+$(full_android_manifest): $(MANIFEST_FIXER)
+$(full_android_manifest): $(main_android_manifest)
+	@echo "Fix manifest: $@"
+	$(MANIFEST_FIXER) $< $@ --minSdkVersion $(PRIVATE_MIN_SDK_VERSION)
 
 endif