Improvements to the TFLite Bindings Build.gradle #6864

- Drops unnecessary build of the compiler from host tools
- Updates Gradle to latest version
- removes extraneous `/` from path (causes weird path combinations like `.././...`)
diff --git a/bindings/tflite/java/build.gradle b/bindings/tflite/java/build.gradle
index 4e5b9ac..fe521a1 100644
--- a/bindings/tflite/java/build.gradle
+++ b/bindings/tflite/java/build.gradle
@@ -11,13 +11,13 @@
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.0.0'
+        classpath 'com.android.tools.build:gradle:4.2.0'
     }
 }
 
 apply plugin: 'com.android.library'
 
-def cmakeListDir = "${rootDir}/../../../"
+def cmakeListDir = "${rootDir}/../../.."
 def hostBuildDir = "${cmakeListDir}/../iree-build-host"
 def hostInstallDir = "${hostBuildDir}/install"
 
@@ -80,7 +80,7 @@
             "-B", hostBuildDir ,
             "-DIREE_TARGET_BACKENDS_TO_BUILD=vmvx",
             "-DIREE_HAL_DRIVERS_TO_BUILD=vmvx",
-            "-DIREE_BUILD_COMPILER=ON",
+            "-DIREE_BUILD_COMPILER=OFF",
             "-DIREE_BUILD_TESTS=OFF ",
             "-DIREE_BUILD_SAMPLES=OFF",
             "-DCMAKE_INSTALL_PREFIX=${hostInstallDir}",