009: Polish bacon fixes, OTA host scripts, and migration docs.

Restore disable_configstore, EuiccDisabler and thermal CDEV guards, branding
and rebuild/sync helpers; document device roles, laptop migration, and Gitea.

Co-authored-by: Cursor <cursoragent@cursor.com>

vendor/sunfish-a16/Android.mk

@@ -13,6 +13,11 @@ LOCAL_OVERRIDES_PACKAGES := com.google.android.gms
 LOCAL_SRC_FILES := prebuilt/GmsCore.apk
 LOCAL_REPLACE_PREBUILT_APK_INSTALLED := $(LOCAL_PATH)/prebuilt/GmsCore.apk
 LOCAL_MODULE_SUFFIX := $(COMMON_ANDROID_PACKAGE_SUFFIX)
+# GmsCore ships deflated JNI with extractNativeLibs=true; system apps never get
+# them extracted, so install them as /system_ext/app/GmsCore/lib/arm64 like
+# GOLDEN (MicrogGmsCore_GH_presigned/lib/arm64). The bacon script unpacks them.
+LOCAL_PREBUILT_JNI_LIBS_arm64 := \
+    $(patsubst $(LOCAL_PATH)/%,%,$(wildcard $(LOCAL_PATH)/prebuilt/GmsCore-jni/arm64/*.so))
 # microG v0.3.16+ declares required uses-library com.android.location.provider
 LOCAL_USES_LIBRARIES := com.android.location.provider
 LOCAL_OPTIONAL_USES_LIBRARIES := \
@@ -50,12 +55,12 @@ LOCAL_OPTIONAL_USES_LIBRARIES := \
     androidx.window.sidecar
 include $(BUILD_PREBUILT)
 
-# 009 bundled apps (PRESIGNED; host prebuilts via symlink) → product
+# 009 bundled apps (PRESIGNED) → system_ext (AXP PRO parity; not product).
 # Optional window libs: same manifest tags as Phonesky/GmsCore (A16 enforce check).
 include $(CLEAR_VARS)
 LOCAL_MODULE := AuroraStore
 LOCAL_MODULE_CLASS := APPS
-LOCAL_PRODUCT_MODULE := true
+LOCAL_SYSTEM_EXT_MODULE := true
 LOCAL_CERTIFICATE := PRESIGNED
 LOCAL_SRC_FILES := prebuilt/AuroraStore.apk
 LOCAL_REPLACE_PREBUILT_APK_INSTALLED := $(LOCAL_PATH)/prebuilt/AuroraStore.apk
@@ -68,7 +73,7 @@ include $(BUILD_PREBUILT)
 include $(CLEAR_VARS)
 LOCAL_MODULE := Droidify
 LOCAL_MODULE_CLASS := APPS
-LOCAL_PRODUCT_MODULE := true
+LOCAL_SYSTEM_EXT_MODULE := true
 LOCAL_CERTIFICATE := PRESIGNED
 LOCAL_SRC_FILES := prebuilt/Droidify.apk
 LOCAL_REPLACE_PREBUILT_APK_INSTALLED := $(LOCAL_PATH)/prebuilt/Droidify.apk
@@ -81,7 +86,7 @@ include $(BUILD_PREBUILT)
 include $(CLEAR_VARS)
 LOCAL_MODULE := FossifyGallery
 LOCAL_MODULE_CLASS := APPS
-LOCAL_PRODUCT_MODULE := true
+LOCAL_SYSTEM_EXT_MODULE := true
 LOCAL_CERTIFICATE := PRESIGNED
 LOCAL_OVERRIDES_PACKAGES := Gallery Gallery2 Glimpse
 LOCAL_SRC_FILES := prebuilt/FossifyGallery.apk