Enable TARGET_USES_QMAA flag and remove dummy hal

Add check for TARGET_USES_QMAA_OVERRIDE_GPS and
TARGET_USES_QMAA flag to enable minimal QMAA
Gnss HAL;
Remove Dummy Hal as TARGET_USES_QMAA flag could
turn off gps hal

Change-Id: I7ee23f869bd452f7b40ae8b3c339c0ef60fcdc84
CRs-fixed: 2379305
diff --git a/Android.mk b/Android.mk
index a995aff..f1088a4 100644
--- a/Android.mk
+++ b/Android.mk
@@ -1,7 +1,5 @@
+ifneq ($(BOARD_VENDOR_QCOM_GPS_LOC_API_HARDWARE),)
 LOCAL_PATH := $(call my-dir)
 include $(LOCAL_PATH)/build/target_specific_features.mk
-ifneq ($(BOARD_VENDOR_QCOM_GPS_LOC_API_HARDWARE),)
 include $(call all-makefiles-under,$(LOCAL_PATH))
-else
-include $(LOCAL_PATH)/android/Android.mk
 endif