azure- add try/catch while executing policies in func handler (#3068)
azure- add try/catch while executing policies in func handler (#3068)


ocampocj/cloud-custodian,alfredgamulo/cloud-custodian,Sutto/cloud-custodian,capitalone/cloud-custodian,kapilt/cloud-custodian,ewbankkit/cloud-custodian,FireballDWF/cloud-custodian,capitalone/cloud-custodian,thisisshi/cloud-custodian,ocampocj/cloud-custodian,kapilt/cloud-custodian,alfredgamulo/cloud-custodian,thisisshi/cloud-custodian,capitalone/cloud-custodian,thisisshi/cloud-custodian,ewbankkit/cloud-custodian,kapilt/cloud-custodian,ewbankkit/cloud-custodian,ocampocj/cloud-custodian,alfredgamulo/cloud-custodian,Sutto/cloud-custodian,Sutto/cloud-custodian,Sutto/cloud-custodian,capitalone/cloud-custodian,FireballDWF/cloud-custodian,kapilt/cloud-custodian,FireballDWF/cloud-custodian,ewbankkit/cloud-custodian,FireballDWF/cloud-custodian,ocampocj/cloud-custodian