Switch plan: Migrate purchaseHistory to queryPurchasesAsync()

[nalcalag]

Task/Issue URL: https://app.asana.com/1/137249556945/task/1211320822502370?focus=true

Description

Add queryPurchasesAsync() API to replace deprecated purchaseHistory
Migrate switch logic to use the new API

Steps to test this PR

Switch plan

• Apply patch on https://app.asana.com/1/137249556945/project/1209991789468715/task/1210448620621729?focus=true
• Install from branch
• Make a test purchase
• Go to Settings > Subscriptions Dev Settings
• Scroll down to the new option "Switch Subscription"
• Select another plan to switch, different from the one you purchased
• Select "Without Proration" Replacement Mode
• Tap "OK"
• Check Google Play bottom sheet appear
• Tap on "Subscribe"
• Check you see the Toast of the successful purchase
• Go to Settings > Subscription Settings
• Check the subscription is changed

No UI changes

[nalcalag]

• Switch plan: Migrate purchaseHistory to queryPurchasesAsync() #6900 👈 (View in Graphite)
• develop

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