Description

Theme related issues on Android Wallet

Actual result

Place holder text's are not clearly visible on dark theme

Restore Screen	Search box	Restore Seed Warning message

Expected result

Clear visible text on dark theme

Issue reproduces how often

Easy

Version/Channel Information:

• Can you reproduce this issue with the current Play Store version? NA
• Can you reproduce this issue with the current Play Store Beta version? Yes
• Can you reproduce this issue with the current Play Store Nightly version? Yes

Device details

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

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

cc: @wchen342 @SergeyZhukovsky