Shamu: Use compiled-classes file

Use a compiled-classes file to reduce boot.oat size.

Bug: 28026683
Change-Id: Id0ea27653aad1d7b8f14cd05e930d52846c6d8d9
diff --git a/device.mk b/device.mk
index 6507c06..b064b81 100644
--- a/device.mk
+++ b/device.mk
@@ -395,3 +395,7 @@
 # Low latency audio buffer size in frames
 PRODUCT_PROPERTY_OVERRIDES += \
     audio_hal.period_size=192
+
+# Enable boot.oat filtering of compiled classes to reduce boot.oat size. b/28026683
+PRODUCT_COPY_FILES += \
+    frameworks/base/compiled-classes-phone:system/etc/compiled-classes