Merge "Make banchan support arm64only and x86_64only"

              invocations of 'm' etc.

- tapas:      tapas [<App1> <App2> ...] [arm|x86|arm64|x86_64] [eng|userdebug|user]

              Sets up the build environment for building unbundled apps (APKs).

- banchan:    banchan <module1> [<module2> ...] [arm|x86|arm64|x86_64] [eng|userdebug|user]

- banchan:    banchan <module1> [<module2> ...] [arm|x86|arm64|x86_64|arm64_only|x86_64only] \

                      [eng|userdebug|user]

              Sets up the build environment for building unbundled modules (APEXes).

- croot:      Changes directory to the top of the tree, or a subdirectory thereof.

- m:          Makes from the top of the tree.

function banchan()

{

    local showHelp="$(echo $* | xargs -n 1 echo | \grep -E '^(help)$' | xargs)"

    local product="$(echo $* | xargs -n 1 echo | \grep -E '^(.*_)?(arm|x86|arm64|x86_64)$' | xargs)"

    local product="$(echo $* | xargs -n 1 echo | \grep -E '^(.*_)?(arm|x86|arm64|x86_64|arm64only|x86_64only)$' | xargs)"

    local variant="$(echo $* | xargs -n 1 echo | \grep -E '^(user|userdebug|eng)$' | xargs)"

    local apps="$(echo $* | xargs -n 1 echo | \grep -E -v '^(user|userdebug|eng|(.*_)?(arm|x86|arm64|x86_64))$' | xargs)"

      x86)    product=module_x86;;

      arm64)  product=module_arm64;;

      x86_64) product=module_x86_64;;

      arm64only)  product=module_arm64only;;

      x86_64only) product=module_x86_64only;;

    esac

    if [ -z "$variant" ]; then

        variant=eng

    $(LOCAL_DIR)/mainline_sdk.mk \

    $(LOCAL_DIR)/module_arm.mk \

    $(LOCAL_DIR)/module_arm64.mk \

    $(LOCAL_DIR)/module_arm64only.mk \

    $(LOCAL_DIR)/module_x86.mk \

    $(LOCAL_DIR)/module_x86_64.mk \

    $(LOCAL_DIR)/module_x86_64only.mk \

COMMON_LUNCH_CHOICES := \

    aosp_arm64-eng \