Merge "Revert "Set transcode DeviceConfigs""

import android.os.storage.StorageVolume;

import android.os.storage.VolumeInfo;

import android.os.storage.VolumeRecord;

import android.provider.DeviceConfig;

import android.provider.DocumentsContract;

import android.provider.Downloads;

import android.provider.MediaStore;

    private static final String ANDROID_VOLD_APP_DATA_ISOLATION_ENABLED_PROPERTY =

            "persist.sys.vold_app_data_isolation_enabled";

    // TODO(b/169327180): Will be fetched from the server, but for now, we emulate this in

    // the system_server since it can write to DeviceConfig and MediaProvider can read it

    private static final String PROP_TRANSCODE_ENABLED = "transcode_enabled";

    private static final String PROP_TRANSCODE_DEFAULT = "transcode_default";

    private static final String PROP_TRANSCODE_COMPAT_MANIFEST = "transcode_compat_manifest";

    private static final boolean TRANSCODE_ENABLED_VALUE = false;

    // Determines the default behavior of apps when transcode is enabled, AKA, Option A/Option B.

    // If true, transcode by default (Option B). If false, don't transcode by default (Option A)

    // For dogfood, we go with Option B

    private static final boolean TRANSCODE_DEFAULT_VALUE = true;

    // Format is <package_name>,<media_capability_bit_mask>,...

    // media_capability_bit_mask is defined in MediaProvider/../TranscodeHelper.java:

    // FLAG_HEVC = 1 << 0;

    // FLAG_SLOW_MOTION = 1 << 1;

    // FLAG_HDR_10 = 1 << 2;

    // FLAG_HDR_10_PLUS = 1 << 3;

    // FLAG_HDR_HLG = 1 << 4;

    // FLAG_HDR_DOLBY_VISION = 1 << 5;

    private static final String TRANSCODE_COMPAT_MANIFEST_VALUE =

            "com.google.android.apps.photos,1";

    // How long we wait to reset storage, if we failed to call onMount on the

    // external storage service.

    public static final int FAILED_MOUNT_RESET_TIMEOUT_SECONDS = 10;

                    com.android.internal.R.bool.config_zramWriteback)) {

            ZramWriteback.scheduleZramWriteback(mContext);

        }

        // TODO(b/169327180): Remove after setting up server-side DeviceConfig flags

        // Set DeviceConfig values for transcoding that will be read by MediaProvider

        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_STORAGE_NATIVE_BOOT,

                PROP_TRANSCODE_ENABLED, String.valueOf(TRANSCODE_ENABLED_VALUE),

                false /* makeDefault */);

        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_STORAGE_NATIVE_BOOT,

                PROP_TRANSCODE_DEFAULT, String.valueOf(TRANSCODE_DEFAULT_VALUE),

                false /* makeDefault */);

        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_STORAGE_NATIVE_BOOT,

                PROP_TRANSCODE_COMPAT_MANIFEST, TRANSCODE_COMPAT_MANIFEST_VALUE,

                false /* makeDefault */);

    }

    /**