Call apexd's API to allocate space before install non-AB package

When installing a non-AB package, if the OS comtains compressed apexes,
we need to allocate space for these apexes so that they can be properly
decompressed on the next reboot.

Test: adb shell cmd recovery install-package /data/ota_package.zip
Change-Id: Ia40d0614e0e724cfb17e91720ec88a15795bd8ee