Fix bash completion in case of user grep color aliases
Fix bash completion in case of user grep color aliases

[Bug]           Mitigate user grep aliases that use colors
[Cause]         N/A
[Solution]      Add --color=never to grep
[Verification]  Checked that bash completion works

Change-Id: Ifffaf2e931f1cd573c6629a1932aca28b924509a

Samsung/vasum,Samsung/vasum,Samsung/vasum,Samsung/vasum