Add a core configuration that disables the zygote.

In targets that do not include a zygote binary, attempting to start the
zygote service will result in repeated service restarts. Avoid this by
providing a way for targets to opt out of declaring a zygote service.

The fvp_mini target does not have a zygote, so apply this opt-out to
that target.

Change-Id: I4f918502e611e950fa039e4e2ed817c97b928ba2

target/product/core_no_zygote.mk

@@ -0,0 +1,30 @@
+#
+# Copyright (C) 2022 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# Inherit from this product for devices that do not include a zygote using:
+# $(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit_only.mk)
+# The inheritance for this must come before the inheritance chain that leads
+# to core_minimal.mk.
+
+# Copy the no-zygote startup script
+PRODUCT_COPY_FILES += system/core/rootdir/init.no_zygote.rc:system/etc/init/hw/init.no_zygote.rc
+
+# Set the zygote property to select the no-zygote script.
+# This line must be parsed before the one in core_minimal.mk
+PRODUCT_VENDOR_PROPERTIES += ro.zygote=no_zygote
+
+TARGET_SUPPORTS_32_BIT_APPS := false
+TARGET_SUPPORTS_64_BIT_APPS := false