"platform process list" with remote-android takes 7s-10s

[llvmbot]

Bugzilla Link	23586
Version	unspecified
OS	other
Reporter	LLVM Bugzilla Contributor

Extended Description

For now, the timeout for qfProcessInfo packet has been increased to 1min: http://reviews.llvm.org/D9866

However, it would nice to understand (and if possible fix) the reason for this long response time for this command.