Use design capacity instead of full charge capacity

Full charge capacity is already included as part of
health HAL 1.0. Concluded in b/149121450 to add a value
that is valuable.

Bug: 149428646
Bug: 149121450
Test: lshal debug android.hardware.health@2.1::IHealth/default
Change-Id: Iadf3c14850df57034378dcc10cdbab0eb43c3aae
diff --git a/health/utils/libhealthloop/utils.cpp b/health/utils/libhealthloop/utils.cpp
index ebfd8d8..053fd19 100644
--- a/health/utils/libhealthloop/utils.cpp
+++ b/health/utils/libhealthloop/utils.cpp
@@ -42,6 +42,7 @@
             .batteryCycleCountPath = String8(String8::kEmptyString),
             .batteryCapacityLevelPath = String8(String8::kEmptyString),
             .batteryChargeTimeToFullNowPath = String8(String8::kEmptyString),
+            .batteryFullChargeDesignCapacityUahPath = String8(String8::kEmptyString),
             .energyCounter = NULL,
             .boot_min_cap = 0,
             .screen_on = NULL,