marlin/sailfish: fix MediaProvider using 100% CPU

- by disabling mtp over functionfs
- affects both GrapheneOS and LineageOS
- might need to be applied to other devices

[pid  2482] ppoll([{fd=42, events=POLLIN}, {fd=51, events=POLLIN}], 2, {tv_sec=0, tv_nsec=0}, NULL, 0) = 0 (Timeout)
lrwx------ 1 u0_a13 u0_a13 64 2019-09-05 18:47 42 -> /dev/usb-ffs/mtp/ep0
lrwx------ 1 u0_a13 u0_a13 64 2019-09-05 18:47 51 -> anon_inode:[eventfd]

https://forum.xda-developers.com/android/help/pixel2-help-diagnose-android-process-t3863274
https://bugs.chromium.org/p/chromium/issues/detail?id=947901

Patches/Common/android_vendor_divested/divestos.mk

@@ -15,8 +15,7 @@ PRODUCT_PROPERTY_OVERRIDES += \
     ro.config.notification_sound=Pong.ogg \
     ro.config.alarm_alert=Alarm_Buzzer.ogg \
     keyguard.no_require_sim=true \
-    ro.build.selinux=1 \
-    ro.storage_manager.enabled=false
+    ro.build.selinux=1
 #    ro.control_privapp_permissions=log
 #    ro.control_privapp_permissions=enforce
 
@@ -25,6 +24,4 @@ PRODUCT_COPY_FILES += \
     vendor/divested/prebuilts/etc/additional_fdroid_repos.xml:system/etc/org.fdroid.fdroid/additional_repos.xml
 
 #Include packages
-#PRODUCT_PACKAGES += BlobBlocker
-#PRODUCT_PACKAGES += ModuleBlocker
 include vendor/divested/packages.mk

Patches/Common/android_vendor_divested/module_blocker.mk

@@ -31,7 +31,6 @@ LOCAL_OVERRIDES_PACKAGES := \
     CtsShimPrebuilt \
     CtsShimPrivPrebuilt \
     Traceur \
-    StorageManager \
     PrintRecommendationService \
     CompanionDeviceManager \
     MusicFX