diff --git a/adb/Android.bp b/adb/Android.bp
index 0394bf6..cb5c1df 100644
--- a/adb/Android.bp
+++ b/adb/Android.bp
@@ -679,6 +679,8 @@
         "mdns_test.cpp",
     ],
 
+    test_config: "adb_test.xml",
+
     shared_libs: [
         "liblog",
     ],
diff --git a/adb/adb_test.xml b/adb/adb_test.xml
new file mode 100644
index 0000000..cc3302d
--- /dev/null
+++ b/adb/adb_test.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2020 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<!-- This test config file is auto-generated. -->
+<configuration description="Runs adbd_test.">
+    <option name="test-suite-tag" value="apct" />
+    <option name="test-suite-tag" value="apct-native" />
+
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
+    </target_preparer>
+
+    <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
+        <option name="cleanup" value="true" />
+        <option name="push" value="adbd_test->/data/local/tmp/adbd_test" />
+    </target_preparer>
+
+    <test class="com.android.tradefed.testtype.GTest" >
+        <option name="native-test-device-path" value="/data/local/tmp" />
+        <option name="module-name" value="adbd_test" />
+    </test>
+
+    <object type="module_controller" class="com.android.tradefed.testtype.suite.module.MainlineTestModuleController">
+      <option name="mainline-module-package-name" value="com.google.android.adbd" />
+    </object>
+</configuration>
diff --git a/fs_mgr/libsnapshot/include/libsnapshot/snapshot.h b/fs_mgr/libsnapshot/include/libsnapshot/snapshot.h
index 5065508..ac8a25e 100644
--- a/fs_mgr/libsnapshot/include/libsnapshot/snapshot.h
+++ b/fs_mgr/libsnapshot/include/libsnapshot/snapshot.h
@@ -540,6 +540,10 @@
     bool ProcessUpdateStateOnDataWipe(bool allow_forward_merge,
                                       const std::function<bool()>& callback);
 
+    // Return device string of a mapped image, or if it is not available, the mapped image path.
+    bool GetMappedImageDeviceStringOrPath(const std::string& device_name,
+                                          std::string* device_string_or_mapped_path);
+
     std::string gsid_dir_;
     std::string metadata_dir_;
     std::unique_ptr<IDeviceInfo> device_;
diff --git a/fs_mgr/libsnapshot/snapshot.cpp b/fs_mgr/libsnapshot/snapshot.cpp
index 73efcfd..d4a3f62 100644
--- a/fs_mgr/libsnapshot/snapshot.cpp
+++ b/fs_mgr/libsnapshot/snapshot.cpp
@@ -1691,7 +1691,7 @@
         return false;
     }
     std::string cow_device;
-    if (!dm.GetDeviceString(cow_name, &cow_device)) {
+    if (!GetMappedImageDeviceStringOrPath(cow_name, &cow_device)) {
         LOG(ERROR) << "Could not determine major/minor for: " << cow_name;
         return false;
     }
@@ -1788,7 +1788,7 @@
     // If the COW image exists, append it as the last extent.
     if (snapshot_status.cow_file_size() > 0) {
         std::string cow_image_device;
-        if (!dm.GetDeviceString(cow_image_name, &cow_image_device)) {
+        if (!GetMappedImageDeviceStringOrPath(cow_image_name, &cow_image_device)) {
             LOG(ERROR) << "Cannot determine major/minor for: " << cow_image_name;
             return false;
         }
@@ -2364,7 +2364,6 @@
         const std::map<std::string, SnapshotStatus>& all_snapshot_status) {
     CHECK(lock);
 
-    auto& dm = DeviceMapper::Instance();
     CreateLogicalPartitionParams cow_params{
             .block_device = LP_METADATA_DEFAULT_PARTITION_NAME,
             .metadata = exported_target_metadata,
@@ -2389,7 +2388,7 @@
         }
 
         std::string cow_path;
-        if (!dm.GetDmDevicePathByName(cow_name, &cow_path)) {
+        if (!images_->GetMappedImageDevice(cow_name, &cow_path)) {
             LOG(ERROR) << "Cannot determine path for " << cow_name;
             return Return::Error();
         }
@@ -2738,5 +2737,24 @@
     return true;
 }
 
+bool SnapshotManager::GetMappedImageDeviceStringOrPath(const std::string& device_name,
+                                                       std::string* device_string_or_mapped_path) {
+    auto& dm = DeviceMapper::Instance();
+    // Try getting the device string if it is a device mapper device.
+    if (dm.GetState(device_name) != DmDeviceState::INVALID) {
+        return dm.GetDeviceString(device_name, device_string_or_mapped_path);
+    }
+
+    // Otherwise, get path from IImageManager.
+    if (!images_->GetMappedImageDevice(device_name, device_string_or_mapped_path)) {
+        return false;
+    }
+
+    LOG(WARNING) << "Calling GetMappedImageDevice with local image manager; device "
+                 << (device_string_or_mapped_path ? *device_string_or_mapped_path : "(nullptr)")
+                 << "may not be available in first stage init! ";
+    return true;
+}
+
 }  // namespace snapshot
 }  // namespace android
diff --git a/init/reboot.cpp b/init/reboot.cpp
index e89f74a..ffd58a3 100644
--- a/init/reboot.cpp
+++ b/init/reboot.cpp
@@ -66,8 +66,6 @@
 #include "sigchld_handler.h"
 #include "util.h"
 
-#define PROC_SYSRQ "/proc/sysrq-trigger"
-
 using namespace std::literals;
 
 using android::base::boot_clock;
diff --git a/init/reboot_utils.cpp b/init/reboot_utils.cpp
index 485188b..76460a5 100644
--- a/init/reboot_utils.cpp
+++ b/init/reboot_utils.cpp
@@ -29,6 +29,7 @@
 #include <cutils/android_reboot.h>
 
 #include "capabilities.h"
+#include "reboot_utils.h"
 
 namespace android {
 namespace init {
@@ -138,6 +139,9 @@
         LOG(ERROR) << backtrace->FormatFrameData(i);
     }
     if (init_fatal_panic) {
+        LOG(ERROR) << __FUNCTION__ << ": Trigger crash";
+        android::base::WriteStringToFile("c", PROC_SYSRQ);
+        LOG(ERROR) << __FUNCTION__ << ": Sys-Rq failed to crash the system; fallback to exit().";
         _exit(signal_number);
     }
     RebootSystem(ANDROID_RB_RESTART2, init_fatal_reboot_target);
diff --git a/init/reboot_utils.h b/init/reboot_utils.h
index 878ad96..05bb9ae 100644
--- a/init/reboot_utils.h
+++ b/init/reboot_utils.h
@@ -18,6 +18,8 @@
 
 #include <string>
 
+#define PROC_SYSRQ "/proc/sysrq-trigger"
+
 namespace android {
 namespace init {
 
diff --git a/libcutils/Android.bp b/libcutils/Android.bp
index 9ed7927..24110ee 100644
--- a/libcutils/Android.bp
+++ b/libcutils/Android.bp
@@ -33,6 +33,7 @@
         "//apex_available:platform",
         "//apex_available:anyapex",
     ],
+    min_sdk_version: "29",
     native_bridge_supported: true,
     export_include_dirs: ["include"],
     target: {
@@ -59,6 +60,7 @@
         "//apex_available:platform",
         "//apex_available:anyapex",
     ],
+    min_sdk_version: "29",
 
     export_include_dirs: ["include"],
 
@@ -142,6 +144,7 @@
         "//apex_available:platform",
         "//apex_available:anyapex",
     ],
+    min_sdk_version: "29",
     native_bridge_supported: true,
     srcs: [
         "config_utils.cpp",
diff --git a/libgrallocusage/Android.bp b/libgrallocusage/Android.bp
index ce0c3c8..33ae13d 100644
--- a/libgrallocusage/Android.bp
+++ b/libgrallocusage/Android.bp
@@ -26,4 +26,5 @@
     export_include_dirs: ["include"],
     shared_libs: ["android.hardware.graphics.allocator@2.0"],
     header_libs: ["libhardware_headers"],
+    min_sdk_version: "29",
 }
diff --git a/libnetutils/packet.c b/libnetutils/packet.c
index 9ecdd4f..64de00e 100644
--- a/libnetutils/packet.c
+++ b/libnetutils/packet.c
@@ -37,25 +37,22 @@
 
 #include "dhcpmsg.h"
 
-int fatal();
+int fatal(const char*);
 
-int open_raw_socket(const char *ifname __attribute__((unused)), uint8_t *hwaddr, int if_index)
-{
-    int s;
-    struct sockaddr_ll bindaddr;
+int open_raw_socket(const char* ifname __unused, uint8_t hwaddr[ETH_ALEN], int if_index) {
+    int s = socket(PF_PACKET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
+    if (s < 0) return fatal("socket(PF_PACKET)");
 
-    if((s = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_IP))) < 0) {
-        return fatal("socket(PF_PACKET)");
-    }
-
-    memset(&bindaddr, 0, sizeof(bindaddr));
-    bindaddr.sll_family = AF_PACKET;
-    bindaddr.sll_protocol = htons(ETH_P_IP);
-    bindaddr.sll_halen = ETH_ALEN;
+    struct sockaddr_ll bindaddr = {
+            .sll_family = AF_PACKET,
+            .sll_protocol = htons(ETH_P_IP),
+            .sll_ifindex = if_index,
+            .sll_halen = ETH_ALEN,
+    };
     memcpy(bindaddr.sll_addr, hwaddr, ETH_ALEN);
-    bindaddr.sll_ifindex = if_index;
 
     if (bind(s, (struct sockaddr *)&bindaddr, sizeof(bindaddr)) < 0) {
+        close(s);
         return fatal("Cannot bind raw socket to interface");
     }
 
diff --git a/libnetutils/packet.h b/libnetutils/packet.h
index aade392..66186fc 100644
--- a/libnetutils/packet.h
+++ b/libnetutils/packet.h
@@ -17,7 +17,9 @@
 #ifndef _WIFI_PACKET_H_
 #define _WIFI_PACKET_H_
 
-int open_raw_socket(const char *ifname, uint8_t *hwaddr, int if_index);
+#include <linux/if_ether.h>
+
+int open_raw_socket(const char* ifname, uint8_t hwaddr[ETH_ALEN], int if_index);
 int send_packet(int s, int if_index, struct dhcp_msg *msg, int size,
                 uint32_t saddr, uint32_t daddr, uint32_t sport, uint32_t dport);
 int receive_packet(int s, struct dhcp_msg *msg);
diff --git a/libprocessgroup/Android.bp b/libprocessgroup/Android.bp
index 2c1b255..bda11e9 100644
--- a/libprocessgroup/Android.bp
+++ b/libprocessgroup/Android.bp
@@ -17,6 +17,7 @@
         "//apex_available:platform",
         "//apex_available:anyapex",
     ],
+    min_sdk_version: "29",
 }
 
 cc_library {
@@ -60,4 +61,5 @@
         "//apex_available:platform",
         "//apex_available:anyapex",
     ],
+    min_sdk_version: "29",
 }
diff --git a/libprocessgroup/profiles/Android.bp b/libprocessgroup/profiles/Android.bp
index 766ea0f..ccc6f62 100644
--- a/libprocessgroup/profiles/Android.bp
+++ b/libprocessgroup/profiles/Android.bp
@@ -89,15 +89,15 @@
         "test_vendor.cpp",
     ],
     static_libs: [
+        "libbase",
         "libgmock",
+        "liblog",
+        "libjsoncpp",
         "libjsonpbverify",
         "libjsonpbparse",
         "libprocessgroup_proto",
     ],
     shared_libs: [
-        "libbase",
-        "liblog",
-        "libjsoncpp",
         "libprotobuf-cpp-full",
     ],
     test_suites: [
diff --git a/libstats/push_compat/StatsEventCompat.cpp b/libstats/push_compat/StatsEventCompat.cpp
index e1a86ae..c17ca61 100644
--- a/libstats/push_compat/StatsEventCompat.cpp
+++ b/libstats/push_compat/StatsEventCompat.cpp
@@ -28,17 +28,8 @@
 using android::base::GetProperty;
 
 const static int kStatsEventTag = 1937006964;
-
-/* Checking ro.build.version.release is fragile, as the release field is
- * an opaque string without structural guarantees. However, testing confirms
- * that on Q devices, the property is "10," and on R, it is "R." Until
- * android_get_device_api_level() is updated, this is the only solution.
- *
- * TODO(b/146019024): migrate to android_get_device_api_level()
- */
 const bool StatsEventCompat::mPlatformAtLeastR =
-        GetProperty("ro.build.version.codename", "") == "R" ||
-        android_get_device_api_level() > __ANDROID_API_Q__;
+        android_get_device_api_level() >= __ANDROID_API_R__;
 
 // initializations of static class variables
 bool StatsEventCompat::mAttemptedLoad = false;
diff --git a/libstats/push_compat/tests/StatsEventCompat_test.cpp b/libstats/push_compat/tests/StatsEventCompat_test.cpp
index dcb3797..2a70db5 100644
--- a/libstats/push_compat/tests/StatsEventCompat_test.cpp
+++ b/libstats/push_compat/tests/StatsEventCompat_test.cpp
@@ -21,16 +21,7 @@
 
 using android::base::GetProperty;
 
-/* Checking ro.build.version.release is fragile, as the release field is
- * an opaque string without structural guarantees. However, testing confirms
- * that on Q devices, the property is "10," and on R, it is "R." Until
- * android_get_device_api_level() is updated, this is the only solution.
- *
- *
- * TODO(b/146019024): migrate to android_get_device_api_level()
- */
-const static bool mPlatformAtLeastR = GetProperty("ro.build.version.codename", "") == "R" ||
-                                      android_get_device_api_level() > __ANDROID_API_Q__;
+const static bool mPlatformAtLeastR = android_get_device_api_level() >= __ANDROID_API_R__;
 
 TEST(StatsEventCompatTest, TestDynamicLoading) {
     StatsEventCompat event;
diff --git a/libsysutils/src/NetlinkEvent.cpp b/libsysutils/src/NetlinkEvent.cpp
index 5efe03f..9c1621b 100644
--- a/libsysutils/src/NetlinkEvent.cpp
+++ b/libsysutils/src/NetlinkEvent.cpp
@@ -180,6 +180,7 @@
     struct ifa_cacheinfo *cacheinfo = nullptr;
     char addrstr[INET6_ADDRSTRLEN] = "";
     char ifname[IFNAMSIZ] = "";
+    uint32_t flags;
 
     if (!checkRtNetlinkLength(nh, sizeof(*ifaddr)))
         return false;
@@ -194,6 +195,9 @@
     // For log messages.
     const char *msgtype = rtMessageName(type);
 
+    // First 8 bits of flags. In practice will always be overridden when parsing IFA_FLAGS below.
+    flags = ifaddr->ifa_flags;
+
     struct rtattr *rta;
     int len = IFA_PAYLOAD(nh);
     for (rta = IFA_RTA(ifaddr); RTA_OK(rta, len); rta = RTA_NEXT(rta, len)) {
@@ -242,6 +246,9 @@
             }
 
             cacheinfo = (struct ifa_cacheinfo *) RTA_DATA(rta);
+
+        } else if (rta->rta_type == IFA_FLAGS) {
+            flags = *(uint32_t*)RTA_DATA(rta);
         }
     }
 
@@ -256,7 +263,7 @@
     mSubsystem = strdup("net");
     asprintf(&mParams[0], "ADDRESS=%s/%d", addrstr, ifaddr->ifa_prefixlen);
     asprintf(&mParams[1], "INTERFACE=%s", ifname);
-    asprintf(&mParams[2], "FLAGS=%u", ifaddr->ifa_flags);
+    asprintf(&mParams[2], "FLAGS=%u", flags);
     asprintf(&mParams[3], "SCOPE=%u", ifaddr->ifa_scope);
     asprintf(&mParams[4], "IFINDEX=%u", ifaddr->ifa_index);