manifest: track own external/chromium
manifest: track own external/chromium

Change-Id: I475f2920c7529a63df8134dcb4402fda60df1754
Signed-off-by: Jonathan Steadman <7ec470bb0ff9c55f8b7e27d5a13d90a6f45e206b@gmail.com>

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