adbst: Cleanup the adb strace helper
adbst: Cleanup the adb strace helper

Change-Id: I4bef76754ffb24946af162e429bbf3c20311b46c
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools