Add Process IOWAIT info to ANR dump

Add Process IOWAIT info to ANR dump

Some ANR are due to system slow down related to high IO usage.
We need more info regarding IO consumption per process to
conclude.
This patch will display process blockIO wait time as IOWAIT.
https://jira01.devtools.intel.com/browse/GMINL-14913

Category: aosp improvement
Domain: AOSP-Others
Origin: internal
Upstream-Candidate: yes
Orig-Change-Id: I2ffabff4d4c560a0d60ea552e70a1d878ade596c
Reviewed-on: https://android.intel.com:443/233114
Reviewed-on: https://android-review.googlesource.com/#/c/114481
Reviewed-on: https://android.intel.com:443/350035
(cherry picked from commit 519a029c560a88a2c95a3d05a3f0b2da9e257c58)
Reviewed-on: https://android.intel.com:443/394370

Change-Id: I5afed372d8060b5efcda68b09bb14f896bcf3406
Tracked-On: https://jira01.devtools.intel.com/browse/OAM-2004
Signed-off-by: Alexandru Timohi <alexandru.timohi@intel.com>
Signed-off-by: Emmanuel Berthier <emmanuel.berthier@intel.com>
Signed-off-by: Nicolae Natea <nicolaex.natea@intel.com>
Reviewed-on: https://android.intel.com:443/406682