Add support for extended advertisements while scanning

Author: weliem

app/src/androidTest/java/com/welie/blessedexample/ExampleInstrumentedTest.java

@@ -19,7 +19,7 @@ public class ExampleInstrumentedTest {
     @Test
     public void useAppContext() {
         // Context of the app under test.
-        Context appContext = InstrumentationRegistry.getTargetContext();
+        Context appContext = InstrumentationRegistry.getInstrumentation().getContext();
 
         assertEquals("com.welie.blessedexample", appContext.getPackageName());
     }

blessed/src/main/java/com/welie/blessed/BluetoothCentralManager.java

@@ -346,7 +346,16 @@ public void disableLogging() {
     private @NotNull ScanSettings getScanSettings(@NotNull final ScanMode scanMode) {
         Objects.requireNonNull(scanMode, "scanMode is null");
 
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            return new ScanSettings.Builder()
+                    .setScanMode(scanMode.value)
+                    .setCallbackType(ScanSettings.CALLBACK_TYPE_ALL_MATCHES)
+                    .setMatchMode(ScanSettings.MATCH_MODE_AGGRESSIVE)
+                    .setNumOfMatches(ScanSettings.MATCH_NUM_ONE_ADVERTISEMENT)
+                    .setReportDelay(0L)
+                    .setLegacy(false)
+                    .build();
+        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
             return new ScanSettings.Builder()
                     .setScanMode(scanMode.value)
                     .setCallbackType(ScanSettings.CALLBACK_TYPE_ALL_MATCHES)