#2342 : Multimeter incomplete problem resolve and removed Hardcoded value

[Aayush1357]

#2342 Multimeter screen layout incomplete

Changes

app/src/main/res/layout-hdpi/activity_multimeter.xml app/src/main/res/layout-sw600dp/activity_multimeter.xml app/src/main/res/layout-xhdpi/activity_multimeter.xml app/src/main/res/layout/activity_multimeter.xml app/src/main/res/values/dimens.xml app/src/main/res/values/strings.xml

Screenshots / Recordings

https://github.com/fossasia/pslab-android/assets/111655141/83612119-a664-4c48-abe1-60124730ccdf

Checklist

• [x] No hard coding: I have used resources from strings.xml, dimens.xml and colors.xml without hard coding any value.
• [x] Code reformatting: I have reformatted code and fixed indentation in every file included in this pull request.
• [ ] No extra space: My code does not contain any extra lines or extra spaces than the ones that are necessary.