feat(reseller)!: update the API

BREAKING CHANGE: This release has breaking changes.

#### reseller:v1

The following keys were deleted:
- etag
- labels
- parameters.userIp.description
- parameters.userIp.location
- parameters.userIp.type

The following keys were added:
- canonicalName
- fullyEncodeReservedExpansion
- mtlsRootUrl
- parameters.$.xgafv.description
- parameters.$.xgafv.enum
- parameters.$.xgafv.enumDescriptions
- parameters.$.xgafv.location
- parameters.$.xgafv.type
- parameters.access_token.description
- parameters.access_token.location
- parameters.access_token.type
- parameters.callback.description
- parameters.callback.location
- parameters.callback.type
- parameters.uploadType.description
- parameters.uploadType.location
- parameters.uploadType.type
- parameters.upload_protocol.description
- parameters.upload_protocol.location
- parameters.upload_protocol.type
- resources.customers.methods.get.flatPath
- resources.customers.methods.insert.flatPath
- resources.customers.methods.insert.parameterOrder
- resources.customers.methods.patch.flatPath
- resources.customers.methods.update.flatPath
- resources.resellernotify.methods.getwatchdetails.flatPath
- resources.resellernotify.methods.getwatchdetails.parameterOrder
- resources.resellernotify.methods.register.flatPath
- resources.resellernotify.methods.register.parameterOrder
- resources.resellernotify.methods.unregister.flatPath
- resources.resellernotify.methods.unregister.parameterOrder
- resources.subscriptions.methods.activate.flatPath
- resources.subscriptions.methods.changePlan.flatPath
- resources.subscriptions.methods.changeRenewalSettings.flatPath
- resources.subscriptions.methods.changeSeats.flatPath
- resources.subscriptions.methods.delete.flatPath
- resources.subscriptions.methods.get.flatPath
- resources.subscriptions.methods.insert.flatPath
- resources.subscriptions.methods.list.flatPath
- resources.subscriptions.methods.list.parameterOrder
- resources.subscriptions.methods.startPaidService.flatPath
- resources.subscriptions.methods.suspend.flatPath

The following keys were changed:
- baseUrl
- batchPath
- description
- icons.x16
- icons.x32
- parameters.alt.description
- parameters.alt.enum
- parameters.alt.enumDescriptions
- parameters.quotaUser.description
- resources.customers.methods.get.path
- resources.customers.methods.insert.path
- resources.customers.methods.patch.description
- resources.customers.methods.patch.path
- resources.customers.methods.update.path
- resources.resellernotify.methods.getwatchdetails.path
- resources.resellernotify.methods.register.path
- resources.resellernotify.methods.unregister.path
- resources.subscriptions.methods.activate.path
- resources.subscriptions.methods.changePlan.path
- resources.subscriptions.methods.changeRenewalSettings.path
- resources.subscriptions.methods.changeSeats.path
- resources.subscriptions.methods.delete.parameters.deletionType.enum
- resources.subscriptions.methods.delete.parameters.deletionType.enumDescriptions
- resources.subscriptions.methods.delete.path
- resources.subscriptions.methods.get.path
- resources.subscriptions.methods.insert.path
- resources.subscriptions.methods.list.parameters.customerNamePrefix.description
- resources.subscriptions.methods.list.path
- resources.subscriptions.methods.startPaidService.path
- resources.subscriptions.methods.suspend.path
- rootUrl
- schemas.ChangePlanRequest.properties.planName.description
- schemas.Customer.properties.alternateEmail.description
- schemas.Seats.properties.maximumNumberOfSeats.description
- schemas.Seats.properties.numberOfSeats.description
- schemas.Subscription.properties.plan.properties.commitmentInterval.description
- schemas.Subscription.properties.plan.properties.isCommitmentPlan.description
- schemas.Subscription.properties.plan.properties.planName.description
- schemas.Subscription.properties.skuId.description
- schemas.Subscription.properties.skuName.description
- schemas.Subscription.properties.suspensionReasons.description
- schemas.Subscription.properties.trialSettings.properties.isInTrial.description
- title