adbsu,adbsur: Isolate non-command outputs to stderr
adbsu,adbsur: Isolate non-command outputs to stderr

Change-Id: I769c97885e0b07380f73dfc0ec55e3f6fc5b3936
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools