Simplify getting actual Customer ID

src/gam/__init__.py

@@ -12006,6 +12006,12 @@ def getCRMOrgId(forceSearch=False):
     return orgs[0].get('name')
   return GC.Values[GC.GCP_ORG_ID]
 
+# gam info customerid
+def doInfoCustomerId():
+  checkForExtraneousArguments()
+  setTrueCustomerId(cd=None)
+  writeStdout(f'{GC.Values[GC.CUSTOMER_ID]}\n')
+
 # gam info gcporgid
 def doInfoGCPOrgId():
   checkForExtraneousArguments()
@@ -80200,6 +80206,7 @@ MAIN_COMMANDS_WITH_OBJECTS = {
       Cmd.ARG_CROSTELEMETRY:	doInfoPrintShowCrOSTelemetry,
       Cmd.ARG_CURRENTPROJECTID:	doInfoCurrentProjectId,
       Cmd.ARG_CUSTOMER:		doInfoCustomer,
+      Cmd.ARG_CUSTOMERID:	doInfoCustomerId,
       Cmd.ARG_DATATRANSFER:	doInfoDataTransfer,
       Cmd.ARG_DEVICE:		doInfoCIDevice,
       Cmd.ARG_DEVICEUSER:	doInfoCIDeviceUser,

src/gam/gamlib/glclargs.py

@@ -830,6 +830,7 @@ class GamCLArgs():
   ARG_CSEKEYPAIRS = 'csekeypairs'
   ARG_CURRENTPROJECTID = 'currentprojectid'
   ARG_CUSTOMER = 'customer'
+  ARG_CUSTOMERID = 'customerid'
   ARG_DATASTUDIOASSET = 'datastudioasset'
   ARG_DATASTUDIOASSETS = 'datastudioassets'
   ARG_DATASTUDIOPERMISSION = 'datastudiopermission'