Merge "envsetup.sh: Add 'provision' function."

             To limit the modules being built use the syntax: mmm dir/:target1,target2.

- mma:       Builds all of the modules in the current directory, and their dependencies.

- mmma:      Builds all of the modules in the supplied directories, and their dependencies.

- provision: Flash device with all required partitions. Options will be passed on to fastboot.

- cgrep:     Greps on all local C/C++ files.

- ggrep:     Greps on all local Gradle files.

- jgrep:     Greps on all local Java files.

    return $ret

}

function provision()

{

    if [ ! "$ANDROID_PRODUCT_OUT" ]; then

        echo "Couldn't locate output files.  Try running 'lunch' first." >&2

        return 1

    fi

    if [ ! -e "$ANDROID_PRODUCT_OUT/provision-device" ]; then

        echo "There is no provisioning script for the device." >&2

        return 1

    fi

    # Check if user really wants to do this.

    if [ "$1" = "--no-confirmation" ]; then

        shift 1

    else

        echo "This action will reflash your device."

        echo ""

        echo "ALL DATA ON THE DEVICE WILL BE IRREVOCABLY ERASED."

        echo ""

        read -p "Are you sure you want to do this (yes/no)? "

        if [[ "${REPLY}" != "yes" ]] ; then

            echo "Not taking any action. Exiting." >&2

            return 1

        fi

    fi

    "$ANDROID_PRODUCT_OUT/provision-device" "$@"

}

if [ "x$SHELL" != "x/bin/bash" ]; then

    case `ps -o command -p $$` in

        *bash*)