Make CP2 low-ram friendly

- Switch to ArrayMap|Set
- No common nickname DB on lowram devices
- Don't use WAL for profile DB, ever
- Don't use WAL for contacts2.db on lowram devices

Bug 63340057
Test: adb shell am instrument -w -e package android.provider.cts.contacts \
    android.provider.cts/android.support.test.runner.AndroidJUnitRunner
Test: bit ContactsProviderTests

Change-Id: I16a6b41762874590c487ac82020bd1da7d7c0a0a

1 files changed, 13 insertions, 2 deletions

diff --git a/tests/src/com/android/providers/contacts/aggregation/ContactAggregator2Test.java b/tests/src/com/android/providers/contacts/aggregation/ContactAggregator2Test.java
index 9839f8e7..927b215c 100644
--- a/tests/src/com/android/providers/contacts/aggregation/ContactAggregator2Test.java
+++ b/tests/src/com/android/providers/contacts/aggregation/ContactAggregator2Test.java
@@ -17,6 +17,7 @@
 package com.android.providers.contacts.aggregation;
 
 import android.accounts.Account;
+import android.app.ActivityManager;
 import android.content.ContentProviderOperation;
 import android.content.ContentProviderResult;
 import android.content.ContentUris;
@@ -412,7 +413,12 @@ public class ContactAggregator2Test extends BaseContactsProvider2Test {
         long rawContactId2 = RawContactUtil.createRawContact(mResolver, ACCOUNT_2);
         DataUtil.insertStructuredName(mResolver, rawContactId2, "William", "Gore");
 
-        assertAggregated(rawContactId1, rawContactId2, "William Gore");
+        if (ActivityManager.isLowRamDeviceStatic()) {
+            // No common nickname DB on lowram devices.
+            assertNotAggregated(rawContactId1, rawContactId2);
+        } else {
+            assertAggregated(rawContactId1, rawContactId2, "William Gore");
+        }
     }
 
     public void testAggregationByCommonNicknameOnly() {
@@ -422,7 +428,12 @@ public class ContactAggregator2Test extends BaseContactsProvider2Test {
         long rawContactId2 = RawContactUtil.createRawContact(mResolver, ACCOUNT_2);
         DataUtil.insertStructuredName(mResolver, rawContactId2, "Larry", null);
 
-        assertAggregated(rawContactId1, rawContactId2, "Lawrence");
+        if (ActivityManager.isLowRamDeviceStatic()) {
+            // No common nickname DB on lowram devices.
+            assertNotAggregated(rawContactId1, rawContactId2);
+        } else {
+            assertAggregated(rawContactId1, rawContactId2, "Lawrence");
+        }
     }
 
     public void testAggregationByNicknameNoStructuredNameWithinSameAccount() {