Fix Select Location headline size

[Rawa]

Quick fix for headline size to look the same as rest of app bars. Right now the font size is hardcoded for the top bar and not in the compose theme so once we move away from the CollapsingTopBar we should update all these fonts.

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This change is 

[linear]

DROID-318 Fix AppBar title size in Select Location screen

Title is too small, should be bigger according to design. Possibly wrong in design

https://app.zeplin.io/project/5f928a32fdc9962af9018d70/screen/63f60797fa4c8443c8561df5

[albin-mullvad]

Reviewed 1 of 1 files at r1, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @Rawa)

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android/app/src/main/kotlin/net/mullvad/mullvadvpn/compose/screen/SelectLocationScreen.kt line 108 at r1 (raw file):

                        .padding(end = Dimens.titleIconSize),
                textAlign = TextAlign.Center,
                style = MaterialTheme.typography.headlineSmall.copy(fontSize = 20.sp),

Just to double check, will this be reflected in the design documents as well?

[Pururun]

Reviewed all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @Rawa)

[Rawa]

@albin-mullvad Regarding font size. I've aligned with design. All our collapsible have the wrong lower end text size (20sp should be 15sp). We've agreed on that for now we set it to 20sp on this screen and then replace it along with all the top bar issues when we replace the entire top bar.

[albin-mullvad]

Sounds good! 👍

Reviewable status: complete! all files reviewed, all discussions resolved