Merge "Increase 32-bit WebView VA reservation." into qt-dev

        boolean is64Bit = VMRuntime.getRuntime().is64Bit();

        // On 64-bit address space is really cheap and we can reserve 1GB which is plenty.

        // On 32-bit it's fairly scarce and we should keep it to a realistic number that

        // permits some future growth but doesn't hog space: we use 100MB which is more than 2x

        // the current requirement.

        long addressSpaceToReserve = is64Bit ? 1 * 1024 * 1024 * 1024 : 100 * 1024 * 1024;

        // permits some future growth but doesn't hog space: we use 130MB which is roughly

        // what was calculated on older OS versions in practice.

        long addressSpaceToReserve = is64Bit ? 1 * 1024 * 1024 * 1024 : 130 * 1024 * 1024;

        sAddressSpaceReserved = nativeReserveAddressSpace(addressSpaceToReserve);

        if (sAddressSpaceReserved) {