Update javadoc for RUN_BACKUP_JOBS permission.

Instead of indicating the app must have a "primary" use case, instead,
mentioned that it must be a "major" use case instead to cover apps whose
primary function depends on backup.

Fixes: 323068649
Test: n/a (javadoc update only)
Change-Id: Iac87d8d27ee7b37deac3ac5c85cb37efe68d8fd0
diff --git a/tests/cts/permissionpolicy/res/raw/android_manifest.xml b/tests/cts/permissionpolicy/res/raw/android_manifest.xml
index 87eb055..af92320 100644
--- a/tests/cts/permissionpolicy/res/raw/android_manifest.xml
+++ b/tests/cts/permissionpolicy/res/raw/android_manifest.xml
@@ -7597,7 +7597,7 @@
                 android:protectionLevel="normal"/>
 
     <!-- @FlaggedApi("android.app.job.backup_jobs_exemption")
-         Gives applications whose <b>primary use case</b> is to backup or sync content increased
+         Gives applications with a <b>major use case</b> of backing-up or syncing content increased
          job execution allowance in order to complete the related work. The jobs must have a valid
          content URI trigger and network constraint set.
          <p>This is a special access permission that can be revoked by the system or the user.