Fixed wrong package names in samples hello-jni and two-libs

Fixed package names so tests project underneath can compile

Change-Id: Ia4e58e8caa5db65e05fdb2ec64e52c1564774899

ndk/samples/two-libs/tests/src/com/example/twolibs/TwoLibsTest.java

@@ -0,0 +1,21 @@
+package com.example.twolibs;
+
+import android.test.ActivityInstrumentationTestCase;
+
+/**
+ * This is a simple framework for a test of an Application.  See
+ * {@link android.test.ApplicationTestCase ApplicationTestCase} for more information on
+ * how to write and extend Application tests.
+ * <p/>
+ * To run this test, you can type:
+ * adb shell am instrument -w \
+ * -e class com.example.twolibs.TwoLibsTest \
+ * com.example.twolibs.tests/android.test.InstrumentationTestRunner
+ */
+public class TwoLibsTest extends ActivityInstrumentationTestCase<TwoLibs> {
+
+    public TwoLibsTest() {
+        super("com.example.twolibs", TwoLibs.class);
+    }
+
+}