logical partitions -> dynamic partitions

Reflect a name change.

* PRODUCT_USE_LOGICAL_PARTITIONS is deprecated and
will be removed in the future.

* ro.boot.dynamic_partitions is created. ro.boot.logical_partitions
will be removed once all the usage is removed.

Bug: 119286600
Test: builds

Change-Id: I5cb8bb1f5ebcee893fbef3a0f047c32de8773830
diff --git a/core/product.mk b/core/product.mk
index f9f8d60..13cc319 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -210,6 +210,7 @@
     PRODUCT_USE_DYNAMIC_PARTITION_SIZE \
     PRODUCT_BUILD_SUPER_PARTITION \
     PRODUCT_FORCE_PRODUCT_MODULES_TO_SYSTEM_PARTITION \
+    PRODUCT_USE_DYNAMIC_PARTITIONS \
 
 define dump-product
 $(info ==== $(1) ====)\