Allow explicit and implicit numbering of the same tag.
Allow explicit and implicit numbering of the same tag.

Change-Id: I59c24cc211250da7e0aed9e0b0aa16517fd72d55

ND-3500/platform_manifest,knone1/platform_manifest,hagar006/platform_manifest,xorware/android_build,xorware/android_build,RR-msm7x30/platform_manifest,xorware/android_build,pranav01/platform_manifest,fallouttester/platform_manifest,xorware/android_build,Hybrid-Power/startsync,xorware/android_build,see4ri/lolili