B2OC: Add Lb0ToLcLc(ppbar)n0 HLT2 lines

Add Lb0ToLcLc(ppbar)n0 HLT2 lines; small tuning on sprucing selection.

Tested on 170k MinBias events:

LAZY_AND: Hlt2B2OC_BuToLcpLcmK_LcpToPKPi     #=171490  Sum=0           Eff=|( 0.000000 +- 0.00000 )%|
LAZY_AND: Hlt2B2OC_Lb0ToLcpLcmN0             #=171490  Sum=0           Eff=|( 0.000000 +- 0.00000 )%|
LAZY_AND: Hlt2B2OC_Lb0ToPbarPN0              #=171490  Sum=9           Eff=|(0.005248119 +- 0.00174933)%|

Spruce Tested 340k events:

LAZY_AND: SpruceB2OC_BuToLcpLcmK_LcpToPKPi   #=239979  Sum=1           Eff=|(0.0004167031 +- 0.000416702)%|
LAZY_AND: SpruceB2OC_Lb0ToLcpLcmN0           #=239979  Sum=2           Eff=|(0.0008334063 +- 0.000589305)%|
LAZY_AND: SpruceB2OC_Lb0ToPbarPN0            #=239979  Sum=45          Eff=|(0.01875164 +- 0.00279507)%|