Fix the gsi_tool cmd line progress

Clean the progress_ otherwise the the gsi_tool would show progress bar like below when
installing the 2nd partition.

write system      100% [==============================================================
create product     100% [=============================================================
write product      100% [=============================================================

The correct one should be like below

create product     100% [=============================================================
write product      100% [=============================================================

Bug: 146181853
Test: \
    adb shell gsi_tool install -n --gsi-size $(du -b system.raw|cut -f1) -w < system.raw
    adb shell gsi_tool install -n --gsi-size $(du -b product.raw|cut -f1) -p product < product.raw

Change-Id: I368a6ba61ca07a7298792aa4714ffc23eef64bb5
1 file changed