device-common: set testing_battery_profile default 2

set 2 to prevent limit battery level in unexpected testing situation

Bug: 180511460
Bug: 220679025
Signed-off-by: Jenny Ho <hsiufangho@google.com>
Change-Id: I9f0e66cf92b26c6946af162003378dcf0fd749f9
(cherry picked from commit f9ae6c981a62769813fba4623b7ea87e2b245b44)
1 file changed