android: fix maven repo relative location

Assume it's at the same level as the Jitsi Meet repo, by default.

android/build.gradle

@@ -57,7 +57,7 @@ allprojects {
         publishing {
             publications {}
             repositories {
-                maven { url "file:${rootProject.projectDir}/../../../jitsi/jitsi-maven-repository/releases" }
+                maven { url "file:${rootProject.projectDir}/../../jitsi-maven-repository/releases" }
             }
         }
     }

android/sdk/build.gradle

@@ -196,6 +196,6 @@ publishing {
 
     }
     repositories {
-        maven { url "file:${rootProject.projectDir}/../../../jitsi/jitsi-maven-repository/releases" }
+        maven { url "file:${rootProject.projectDir}/../../jitsi-maven-repository/releases" }
     }
 }