[Android] cross promotional Modal for existing user

[deeppandya]

Description

Add cross promotional Modal for existing user.
Related issue for new user : #10571
Related PR : brave/brave-core#6171

Steps to reproduce

1. Update brave app
2. Open app on 12th day

Actual result

Expected result

Should show the cross promotional modal

Issue reproduces how often

Issue happens on

• Current Play Store version?
• Beta build?

Device details

• Install type (ARM, x86):
• Device (Phone, Tablet, Phablet):
• Android version:

Brave version

Website problems only

• Does the issue resolve itself when disabling Brave Shields?
• Does the issue resolve itself when disabling Brave Rewards?
• Is the issue reproducible on the latest version of Chrome?

Additional information

[srirambv]

Verification passed on OnePlus 6T with Android 10 running 1.13.83 x64 build

Verified cross-platform promotional modal is shown 12 days after upgrading from `1.12.113` to `1.13.83`

English	French

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Verification passed on Samsung Tab A with Android 10 running 1.13.83 x64 build

Verified cross-platform promotional modal is shown 12 days after upgrading from `1.12.113` to `1.13.83`

English	German