[aapt2] Pseudolocalize <plurals> values.

(.won slaer roF)

Bug: 134190774
Test: aapt2_tests
Change-Id: If307af4adfb1d556c41d7cb08590d1c25287f992
(cherry picked from commit 4c3da0f8a4e3db7ae6a0dff3888d7faab3198bb1)
2 files changed