sensorservice: Set the rate for pre-1.1 HALs _after_ activation

We want to be sure these are applied in the same sequence they
used to be...

Change-Id: Ied2ba08ed3c4bed3a80bac6ab5471fcea9ba2c09
native: go back to our custom heap sizes

after eliminating the problems we had we can go back

This reverts commit 5ee007698de14ae5491f5f124c3e2f8fa11520be.

Change-Id: I4a06f890ef36142732d26e0c88355c70e39a9f35