First quarter highlights GAAP diluted net earnings per share decrease 4.0 percent from the year-ago quarter, to $0.97; Adjusted diluted net earnings per share increase 6.8 percent to $1.10, up 9.7 percent on a constant currency basis GAAP net earnings attributable to Walgreens Boots Alliance decrease 5.0 percent from the year-ago quarter to $1.1…