logical -> dynamic partitions.

Reflect a name change.
Test: boots
Bug: 119286600

Change-Id: I076071be18be521eeee4ebae10491b9f3e8ef857
diff --git a/init/reboot.cpp b/init/reboot.cpp
index a145797..45dc6d3 100644
--- a/init/reboot.cpp
+++ b/init/reboot.cpp
@@ -468,7 +468,7 @@
             // adb reboot fastboot should boot into bootloader for devices not
             // supporting logical partitions.
             if (reboot_target == "fastboot" &&
-                !android::base::GetBoolProperty("ro.boot.logical_partitions", false)) {
+                !android::base::GetBoolProperty("ro.boot.dynamic_partitions", false)) {
                 reboot_target = "bootloader";
             }
             // When rebooting to the bootloader notify the bootloader writing