When unmounting, only kill user-specific paths.

The path for emulated volumes is set to /storage/emulated,
not /storage/emulated/<userid> . When unmounting, we only
want to kill process with a reference to /<userid>; this prevents
killing processed needlessly.

Bug: 137890172
Test: atest AdoptableHostTest
Change-Id: I70e36e87077e87db9b3c7e07dc0e481ba06c2c14
1 file changed