[Android] Implement infobar for Android sync v1 users about v1 will be deprecated

[AlexeyBarabash]

Related PR brave/brave-core#5361.

Required to make similar to desktop b-c PR brave/brave-core#5806 to inform Android sync v1 users that sync v1 will be shut down and they need to create a new sync chain with sync v2.

[kjozwiak]

Closing as brave/brave-core#6128 was approved and merged into 1.11.x.

[srirambv]

Verification passed on OnePlus 6T with Android 10 running 1.11.100 x64 PR build

Sync Enabled

• Verified upgrading from 1.10.x with sync enabled shows the infobar immediately after launch
  

• Verified clicking on Learn more open support page https://support.brave.com/hc/en-us/articles/360021218111-How-do-I-set-up-Sync-

• Verified dismissing the infobar doesn't show the message again

• Verified once the infobar is shown closing and reopening the browser doesn't show the message

• Verified post-upgrade opening a private tab via home screen shows the infobar as well

Sync Disabled

• Verified upgrading from 1.10.99 without sync enabled doesn't show the infobar

Clean Install

• Verified clean install of the build, doesn't show any infobar

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Verification passed on Samsung Tab A with Android 10 running 1.11.100 x64 PR build

Sync Enabled

• Verified upgrading from 1.10.x with sync enabled shows the infobar immediately after launch
  

• Verified clicking on Learn more open support page https://support.brave.com/hc/en-us/articles/360021218111-How-do-I-set-up-Sync-

• Verified dismissing the infobar doesn't show the message again

• Verified once the infobar is shown closing and reopening the browser doesn't show the message

• Verified post-upgrade opening a private tab via home screen shows the infobar as well

Sync Disabled

• Verified upgrading from 1.10.99 without sync enabled doesn't show the infobar

Clean Install

• Verified clean install of the build, doesn't show any infobar

---

Verification passed on Asus Zenfone (x86) with Android 6.0 running 1.11.102 BraveModernx86.apk

Sync Enabled

• Verified upgrading from 1.10.99 with sync enabled shows the infobar immediately after launch
  

• Verified clicking on Learn more open support page https://support.brave.com/hc/en-us/articles/360021218111-How-do-I-set-up-Sync-

• Verified dismissing the infobar doesn't show the message again

• Verified once the infobar is shown closing and reopening the browser doesn't show the message

Sync Disabled

• Verified upgrading from 1.10.99 without sync enabled doesn't show the infobar

Clean Install

• Verified clean install of the build, doesn't show any infobar