Add the 'bdev_type' attribute to all block devices

The following patch iterates over all block devices:
https://android-review.googlesource.com/c/platform/system/core/+/1783847/9

The following patch grants 'init' and 'apexd' permission to iterate over
all block devices:
https://android-review.googlesource.com/c/platform/system/sepolicy/+/1783947

The above SELinux policy change requires to add the 'bdev_type'
attribute to all block devices. Hence this patch.

Bug: 194450129
Test: Untested.
Change-Id: I959bae6f9590b1867905d46e194c45b0ea4248df
Signed-off-by: Bart Van Assche <bvanassche@google.com>
2 files changed