sm8250-common: add hotword whitelist and permissions

configs/hotword-hiddenapi-package-whitelist.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+This XML file declares which platform apps that need to access internal APIs.
+-->
+<config>
+  <hidden-api-whitelisted-app package="com.android.hotwordenrollment.okgoogle" />
+  <hidden-api-whitelisted-app package="com.android.hotwordenrollment.xgoogle" />
+</config>

configs/product_privapp-permissions-hotword.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<permissions>
+    <privapp-permissions package="com.android.hotwordenrollment.okgoogle">
+        <permission name="android.permission.KEYPHRASE_ENROLLMENT_APPLICATION"/>
+        <permission name="android.permission.INTERACT_ACROSS_USERS"/>
+    </privapp-permissions>
+    <privapp-permissions package="com.android.hotwordenrollment.xgoogle">
+        <permission name="android.permission.KEYPHRASE_ENROLLMENT_APPLICATION"/>
+        <permission name="android.permission.INTERACT_ACROSS_USERS"/>
+    </privapp-permissions>
+</permissions>

sm8250.mk

@@ -327,6 +327,12 @@ PRODUCT_COPY_FILES += \
     frameworks/native/data/etc/android.software.vulkan.deqp.level-2020-03-01.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.software.vulkan.deqp.level.xml \
     frameworks/native/data/etc/handheld_core_hardware.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/handheld_core_hardware.xml
 
+PRODUCT_COPY_FILES += \
+    $(LOCAL_PATH)/configs/product_privapp-permissions-hotword.xml:$(TARGET_COPY_OUT_PRODUCT)/etc/permissions/privapp-permissions-hotword.xml
+
+PRODUCT_COPY_FILES += \
+    $(LOCAL_PATH)/configs/hotword-hiddenapi-package-whitelist.xml:$(TARGET_COPY_OUT_PRODUCT)/etc/sysconfig/hotword-hiddenapi-package-whitelist.xml
+
 # Power
 PRODUCT_PACKAGES += \
     android.hardware.power-service-qti