Add back phone-xxhdpi-2048-dalvik-heap

Signed-off-by: bmc08gt <brandon.mcansh@gmail.com>
Revert "Revert "Second try at adding a compatibility symbol for the MemoryBase constructor.""

* Samsung QCOM (d2/jf) camera.msm8960 rely on this string

This reverts commit 2dccfdcd265ca86cca5ac863d921e5c647b93073.