feat: Add comprehensive Android test logging and build tracking

- Add build_logs directory for tracking Android build output
- Add Android generated assets to gitignore
- Improve test logging with timestamps and build context
- Add detailed error reporting for build and test failures
- Add proper cleanup of Android build artifacts

The changes improve Android testing by:
1. Tracking build history in build_logs directory
2. Providing detailed build context for debugging
3. Cleaning up generated assets properly
4. Improving error reporting and traceability
5. Adding structured logging for test execution

Added:
- build_logs/ directory for build history
- Android assets cleanup in .gitignore
- Detailed build and test logging

android/app/src/androidTest/java/app/timesafari/app/ExampleInstrumentedTest.java

@@ -0,0 +1,20 @@
+package app.timesafari.app;
+
+import android.content.Context;
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("app.timesafari.app", appContext.getPackageName());
+    }
+}