Add showmap and procrank to PRODUCT_PACKAGES_DEBUG

So that they are available on device by default.

Test: make

(cherry picked from commit 161db060)

Merged-In: If3c1513d1c086f965a8adc157a96b35c119962c3
Change-Id: Ifd87294d08a8a7bb074b39b5bd620124e29540ed