For #11380: Update migration tip text

app/src/main/java/org/mozilla/fenix/components/tips/providers/MigrationTipProvider.kt

@@ -36,7 +36,7 @@ class MigrationTipProvider(private val context: Context) : TipProvider {
     private fun firefoxPreviewMovedTip(): Tip =
         Tip(
             type = TipType.Button(
-                text = context.getString(R.string.tip_firefox_preview_moved_button),
+                text = context.getString(R.string.tip_firefox_preview_moved_button_2),
                 action = ::getFirefoxMovedButtonAction
             ),
             identifier = getIdentifier(),

app/src/main/res/values/strings.xml

@@ -900,8 +900,8 @@
     <string name="tip_firefox_preview_moved_description">
         Firefox Nightly gets updated every night and has experimental new features.
         However, it may be less stable. Download our beta browser for a more stable experience.</string>
-    <!-- text for firefox preview moving tip button. "Mozilla Firefox Browser" is intentionally hardcoded -->
-    <string name="tip_firefox_preview_moved_button">Get Mozilla Firefox Browser</string>
+    <!-- text for firefox preview moving tip button. "Firefox for Android Beta" is intentionally hardcoded -->
+    <string name="tip_firefox_preview_moved_button_2">Get Firefox for Android Beta</string>
 
     <!-- text for firefox preview moving tip header. "Firefox Nightly" is intentionally hardcoded -->
     <string name="tip_firefox_preview_moved_header_preview_installed">Firefox Nightly has moved</string>

app/src/test/java/org/mozilla/fenix/components/tips/providers/MigrationTipProviderTest.kt

@@ -69,7 +69,7 @@ class MigrationTipProviderTest {
         val tip = provider.tip!!
         val button = tip.type as TipType.Button
         assertEquals(
-            context.getString(R.string.tip_firefox_preview_moved_button),
+            context.getString(R.string.tip_firefox_preview_moved_button_2),
             button.text
         )
         assertEquals(