Increase ARM64 memory for tests

Some tests are highly flaky because 160MB isn't enough for booting
microdroid with GKI kernel and bringing up various services e.g. adbd.

Test: run testMicrodroidBoots many times in a row
Change-Id: Ia6f24b78b3b412fb3b294de6784e6c31a05b034c
diff --git a/tests/hostside/java/com/android/microdroid/test/MicrodroidHostTests.java b/tests/hostside/java/com/android/microdroid/test/MicrodroidHostTests.java
index 7a5d69b..2cd4577 100644
--- a/tests/hostside/java/com/android/microdroid/test/MicrodroidHostTests.java
+++ b/tests/hostside/java/com/android/microdroid/test/MicrodroidHostTests.java
@@ -90,7 +90,7 @@
     private static final String SHELL_PACKAGE_NAME = "com.android.shell";
     private static final String VIRT_APEX = "/apex/com.android.virt/";
 
-    private static final int MIN_MEM_ARM64 = 160;
+    private static final int MIN_MEM_ARM64 = 170;
     private static final int MIN_MEM_X86_64 = 196;
 
     private static final int BOOT_COMPLETE_TIMEOUT = 30000; // 30 seconds
diff --git a/tests/testapk/src/java/com/android/microdroid/test/MicrodroidTests.java b/tests/testapk/src/java/com/android/microdroid/test/MicrodroidTests.java
index 86f0770..7b6db52 100644
--- a/tests/testapk/src/java/com/android/microdroid/test/MicrodroidTests.java
+++ b/tests/testapk/src/java/com/android/microdroid/test/MicrodroidTests.java
@@ -159,7 +159,7 @@
 
     private static final long ONE_MEBI = 1024 * 1024;
 
-    private static final long MIN_MEM_ARM64 = 160 * ONE_MEBI;
+    private static final long MIN_MEM_ARM64 = 170 * ONE_MEBI;
     private static final long MIN_MEM_X86_64 = 196 * ONE_MEBI;
     private static final String EXAMPLE_STRING = "Literally any string!! :)";