Add BigDecimal.TWO in J2CL & GWT.

RELNOTES=n/a
PiperOrigin-RevId: 755810613

Author: kluever

android/guava-tests/test/com/google/common/math/IntMathTest.java

@@ -657,7 +657,7 @@ private static void assertMean(int x, int y) {
   private static int computeMeanSafely(int x, int y) {
     BigInteger bigX = BigInteger.valueOf(x);
     BigInteger bigY = BigInteger.valueOf(y);
-    BigDecimal two = BigDecimal.valueOf(2); // .TWO constant is absent in j2cl
+    BigDecimal two = BigDecimal.valueOf(2); // Android doesn't have BigDecimal.TWO yet
     BigDecimal bigMean = new BigDecimal(bigX.add(bigY)).divide(two, RoundingMode.FLOOR);
     return bigMean.intValueExact();
   }

android/guava-tests/test/com/google/common/math/LongMathTest.java

@@ -768,7 +768,7 @@ private static void assertMean(long x, long y) {
   private static long computeMeanSafely(long x, long y) {
     BigInteger bigX = BigInteger.valueOf(x);
     BigInteger bigY = BigInteger.valueOf(y);
-    BigDecimal two = BigDecimal.valueOf(2); // .TWO constant is absent in j2cl
+    BigDecimal two = BigDecimal.valueOf(2); // Android doesn't have BigDecimal.TWO yet
     BigDecimal bigMean = new BigDecimal(bigX.add(bigY)).divide(two, RoundingMode.FLOOR);
     return bigMean.longValueExact();
   }

guava-tests/test/com/google/common/math/IntMathTest.java

@@ -657,7 +657,7 @@ private static void assertMean(int x, int y) {
   private static int computeMeanSafely(int x, int y) {
     BigInteger bigX = BigInteger.valueOf(x);
     BigInteger bigY = BigInteger.valueOf(y);
-    BigDecimal two = BigDecimal.valueOf(2); // .TWO constant is absent in j2cl
+    BigDecimal two = BigDecimal.valueOf(2); // Android doesn't have BigDecimal.TWO yet
     BigDecimal bigMean = new BigDecimal(bigX.add(bigY)).divide(two, RoundingMode.FLOOR);
     return bigMean.intValueExact();
   }

guava-tests/test/com/google/common/math/LongMathTest.java

@@ -768,7 +768,7 @@ private static void assertMean(long x, long y) {
   private static long computeMeanSafely(long x, long y) {
     BigInteger bigX = BigInteger.valueOf(x);
     BigInteger bigY = BigInteger.valueOf(y);
-    BigDecimal two = BigDecimal.valueOf(2); // .TWO constant is absent in j2cl
+    BigDecimal two = BigDecimal.valueOf(2); // Android doesn't have BigDecimal.TWO yet
     BigDecimal bigMean = new BigDecimal(bigX.add(bigY)).divide(two, RoundingMode.FLOOR);
     return bigMean.longValueExact();
   }